UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                 -----------------------------------------------

                                  SCHEDULE 13D

                                (Amendment No. 1)

                    Under the Securities Exchange Act of 1934

                        GEMSTAR INTERNATIONAL GROUP LTD.
                                (Name of Issuer)

                    Ordinary Shares, par value $.01 per share
                         (Title of Class of Securities)

                                   G-3788-V106
                                 (CUSIP Number)

                            Michael D. Fricklas, Esq.
                                   Viacom Inc.
                                  1515 Broadway
                            New York, New York 10036
                            Telephone: (212) 258-6000
                     (Name, Address and Telephone Number of
            Person Authorized to Receive Notices and Communications)

                                February 7, 1998
             (Date of Event which Requires Filing of this Statement)


            ---------------------------------------------------------

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box / /.

Check the following box if a fee is being paid with this statement / /.





CUSIP No. G-3788-V106

(1)       Name of Reporting Person
          S.S. or I.R.S. Identification No. of Above Person
                                     VIACOM INTERNATIONAL INC.
          ---------------------------------------------------------------------
                                     I.R.S. Identification No. 13-3844753
          ---------------------------------------------------------------------


(2)       Check the Appropriate Box if a Member of Group (See Instructions)

          |_|  (a)-------------------------------------------------------------
          |_|  (b)-------------------------------------------------------------


(3)       SEC Use Only
                         ------------------------------------------------------


(4)       Sources of Funds (See Instructions)
                                             ----------------------------------


(5)       Check if Disclosure of Legal Proceedings is Required Pursuant to Items
          2(d) or 2(e)
                         ------------------------------------------------------


(6)       Citizenship or Place of Organization          Delaware
                                                  -----------------------------


- --------------
 Number of          (7)  Sole Voting Power
   Shares                                         -----------------------------
Beneficially        (8)  Shared Voting Power                   2,895,743
 Owned by                                         -----------------------------
   Each             (9)  Sole Dispositive Power
Reporting                                         -----------------------------
  Person            (10) Shared Dispositive Power              2,895,743
   With                                           -----------------------------
- --------------


(11)      Aggregate Amount Beneficially Owned by Each Reporting Person
                   2,895,743
          ---------------------------------------------------------------------

(12)      Check if the Aggregate Amount in Row (11) Excludes Certain Shares
          (See Instructions)
                              -------------------------------------------------


(13)      Percent of Class Represented by Amount in Row (11)
                   6.02%
          ---------------------------------------------------------------------


(14)      Type of Reporting Person (See Instructions)            CO
                                                       ------------------------




                                  Page 2 of 15








CUSIP No. G-3788-V106

(1)       Name of Reporting Person
          S.S. or I.R.S. Identification No. of Above Person
                                     SUMNER M. REDSTONE
          ---------------------------------------------------------------------
                                     I.R.S. Identification No.
          ---------------------------------------------------------------------


(2)       Check the Appropriate Box if a Member of Group (See Instructions)

          |_|  (a)-------------------------------------------------------------
          |_|  (b)-------------------------------------------------------------


(3)       SEC Use Only
                         ------------------------------------------------------


(4)       Sources of Funds (See Instructions)
                                             ----------------------------------


(5)       Check if Disclosure of Legal Proceedings is Required Pursuant to Items
          2(d) or 2(e)
                         ------------------------------------------------------


(6)       Citizenship or Place of Organization          United States
                                                  -----------------------------


- --------------
 Number of          (7)  Sole Voting Power                     22,126
   Shares                                         -----------------------------
Beneficially        (8)  Shared Voting Power                2,895,743
 Owned by                                         -----------------------------
   Each             (9)  Sole Dispositive Power                22,126
Reporting                                         -----------------------------
  Person            (10) Shared Dispositive Power           2,895,743
   With                                           -----------------------------
- --------------


(11)      Aggregate Amount Beneficially Owned by Each Reporting Person
                   2,917,869
          ---------------------------------------------------------------------


(12)      Check if the Aggregate Amount in Row (11) Excludes Certain Shares
          (See Instructions)
                              -------------------------------------------------


(13)      Percent of Class Represented by Amount in Row (11)
                   6.07%
          ---------------------------------------------------------------------


(14)      Type of Reporting Person (See Instructions)            IN
                                                       ------------------------




                                  Page 3 of 15








               This  Amendment  No. 1 amends the Statement on Schedule 13D filed
with  The  Securities  and  Exchange  Commission  on  May  19,  1997  by  Viacom
International Inc. (the "Company") and Mr. Sumner M. Redstone  ("Redstone") with
respect to the voting Ordinary  Shares,  $.01 par value per share (the "Ordinary
Shares"),  of Gemstar  International  Group  Limited,  a British  Virgin Islands
corporation (the "Issuer"),  with its principal  executive office located at 135
North Los Robles Avenue, Suite 800, Pasadena, California 91101.

Item 2.        Identity and Background.
               ------------------------

               Item 2 is hereby amended to reflect changes in Schedules I and II
attached hereto.


Item 4.   Purpose of Transaction.
          -----------------------

               Item 4 is hereby amended and supplemented as follows:

               On February  7, 1998,  the Company  entered  into Stock  Purchase
Agreement with THOMSON  multimedia  S.A.  ("Thomson")  pursuant to which Thomson
agreed to acquire  from the Company  and the  Company  agreed to sell to Thomson
600,000  Ordinary Shares for an aggregate  purchase price of $19.2 million.  The
Closing of the purchase  and sale took place on February 12, 1998.  Although the
Reporting  Persons  may,  at any time and from  time to time,  purchase  or sell
Ordinary Shares in public or private transactions, the Reporting Persons have no
current  plan or  proposal  which  relates  to, or would  result  in, any of the
actions enumerated in subparagraphs (a) through (j) of Item 4 Schedule 13D.


Item 5.   Interest in Securities of the Issuer.
          -------------------------------------

               The Company  beneficially owns 2,895,743  Ordinary Shares,  which
represent  approximately  6.02% of the issued and  outstanding  Ordinary  Shares
(based on the number of Ordinary  Shares of the Issuer that were reported by the
Issuer to issued and  outstanding  as of October 31, 1997).  Such shares consist
of:

               (i)  2,154,154  Ordinary Shares held directly by the Company over
                    which the Company has voting and dispositive power; and

               (ii) 681,475  shares of Common  Stock held by Virgin  Interactive
                    Entertainment Inc., a Delaware  corporation.  The issued and
                    outstanding shares of Virgin Interactive  Entertainment Inc.
                    are owned by Virgin Interactive  Entertainment  (Investment)
                    Ltd., a United Kingdom corporation,  which in turn is wholly
                    owned by Virgin Interactive Entertainment (Holdings) Ltd., a
                    United  Kingdom  corporation.  The  issued  and  outstanding
                    shares of Virgin Interactive  Entertainment  (Holdings) Ltd.
                    are owned by Virgin Interactive Entertainment Ltd., a United
                    Kingdom corporation.  Virgin Interactive  Entertainment Ltd.
                    is owned  approximately 91% by Spelling  Entertainment Group
                    Inc., a Delaware  corporation,  and  approximately 9% by the
                    Company.   SEGI  Holding  Corp.,  a  Delaware   corporation,
                    beneficially    owns    approximately    80%   of   Spelling
                    Entertainment Group Inc. and is a wholly owned subsidiary of
                    Blockbuster   Pictures  Holding   Corporation,   a  Delaware
                    corporation,  which in turn is a wholly owned  subsidiary of
                    the Company.




                                  Page 4 of 15








               Viacom Inc.  ("Viacom"),  as the sole shareholder of the Company,
may be deemed the beneficial  owner of all of the Ordinary  Shares  described in
clauses (i) and (ii) of this Item 5.

               National Amusements, Inc. ("NAI"), as the controlling shareholder
of Viacom,  may be deemed the  beneficial  owner of all of the  Ordinary  Shares
described in clauses (i) and (ii) of this Item 5.

               Redstone,  as the  controlling  stockholder of NAI, may be deemed
the beneficial  owner of all of the Ordinary Shares described in clauses (i) and
(ii) of this Item 5. Redstone also owns 22,126  Ordinary  Shares of Common Stock
directly. The aggregate beneficial ownership of Redstone is approximately 6.07%.


Item 6.        Contracts, Arrangements, Understandings or
               Relationships With Respect to Securities of the Issuer.
               -------------------------------------------------------

               On February 7, 1998,  the Company  entered into a Stock  Purchase
Agreement  with  Thomson  pursuant to which  Thomson  agreed to acquire from the
Company and the Company agreed to sell to Thomson,  600,000  Ordinary Shares for
an aggregate  purchase price of $19.2  million.  The Closing of the purchase and
sale took place on February 12, 1998.


Item 7.        Material to Be Filed as Exhibits.
               ---------------------------------

               99.1           Stock Purchase Agreement,  dated February 7, 1998,
                              between  Viacom   International  Inc. and  THOMSON
                              Multimedia S.A.

               99.2           Agreement  between Viacom  International  Inc. and
                              Sumner    M.    Redstone    pursuant    to    Rule
                              13d-1(f)(1)(iii).




                                  Page 5 of 15









                                   Signatures
                                   ----------


               After  reasonable  inquiry and to the best of our  knowledge  and
belief,  we certify that the  information  set forth in this  Statement is true,
complete and correct.


February 13, 1998             Viacom International Inc.


                              By:       /s/  Michael D. Fricklas
                                        -------------------------
                              Name:     Michael D. Fricklas
                              Title:    Senior Vice President



                                        /s/  Sumner M. Redstone
                                        -------------------------
                                        Sumner M. Redstone,
                                        Individually




Page 6 of 15








                                   Schedule I
                            Viacom International Inc.
                               Executive Officers




                         Business or         Principal Occupation               Name and Address of Corporation or
Name                     Residence Address   or Employment                      Other Organization in Which Employed
- ----                     -----------------   ------------------------           ------------------------------------

                                                                       

Sumner M. Redstone       Viacom Inc.         Chairman of the Board and          National Amusements, Inc.
                         1515 Broadway       Chief Executive Officer of         200 Elm Street
                         New York, NY        Viacom Inc.; Chairman of the       Dedham, MA  02026
                         10036               Board and President, Chief
                                             Executive Officer of National
                                             Amusements, Inc., President
                                             and Chief Executive Officer of
                                             Viacom International Inc.

Philippe P. Dauman*      Viacom Inc.         Deputy Chairman, Executive VP,     Viacom International Inc.
                         1515 Broadway       General Counsel, Chief             1515 Broadway
                         New York, NY        Administrative Officer and         New York, NY  10036
                         10036               Secretary of Viacom Inc. and
                                             Executive VP and Secretary of
                                             Viacom International Inc.

Thomas E. Dooley         Viacom Inc.         Deputy Chairman, Executive VP,     Viacom International Inc.
                         1515 Broadway       Finance, Corporate Development     1515 Broadway
                         New York, NY        and Communications of Viacom       New York, NY  10036
                         10036               Inc. and Executive VP of
                                             Viacom International Inc.

Robert M. Bakish         Viacom Inc.         Sr. VP, Planning, Development      Viacom International Inc.
                         1515 Broadway       and Technology of Viacom Inc.      1515 Broadway
                         New York, NY        and Viacom International Inc.      New York, NY  10036
                         10036

Carl D. Folta            Viacom Inc.         Sr. VP, Corporate                  Viacom International Inc.
                         1515 Broadway       Relations of Viacom Inc. and       1515 Broadway
                         New York, NY        Viacom International Inc.          New York, NY  10036
                         10036


- -------------------
*Also a Director



                                  Page 7 of 15





                                   Schedule I
                                    Continued
                                                                       


Michael D.               Viacom Inc.         Sr. VP, Deputy General             Viacom International Inc.
Fricklas*                1515 Broadway       Counsel and Assistant              1515 Broadway
                         New York, NY        Secretary of Viacom Inc. and       New York, NY  10036
                         10036               Sr. VP and Assistant
                                             Secretary of Viacom
                                             International Inc.

Susan C.                 Viacom Inc.         Vice President, Controller,        Viacom International Inc.
Gordon                   1515 Broadway       Chief Accounting Officer of        1515 Broadway
                         New York, NY        Viacom Inc. and Viacom             New York, NY  10036
                         10036               International Inc.

Rudolph L. Hertlein      Viacom Inc.         Sr. VP of Viacom Inc. and          Viacom International Inc.
                         1515 Broadway       Viacom International Inc.          1515 Broadway
                         New York, NY                                           New York, NY  10036
                         10036

Carol Melton             Viacom Inc.         Sr. VP, Government Affairs of      Viacom International Inc.
                         1515 Broadway       Viacom Inc. and Viacom             1515 Broadway
                         New York, NY        International Inc.                 New York, NY  10036
                         10036

William A. Roskin        Viacom Inc.         Sr. VP, Human Resources and        Viacom International Inc.
                         1515 Broadway       Administration of Viacom Inc.      1515 Broadway
                         New York, NY        and Viacom International Inc.      New York, NY  10036
                         10036

Martin Shea              Viacom Inc.         Sr. VP, Investor Relations of      Viacom International Inc.
                         1515 Broadway       Viacom Inc. and Viacom             1515 Broadway
                         New York, NY        International Inc.                 New York, NY  10036
                         10036

George S. Smith,         Viacom Inc.         Sr. VP, Chief Financial            Viacom International Inc.
Jr.*                     1515 Broadway       Officer of Viacom Inc. and         1515 Broadway
                         New York, NY        Viacom International Inc.          New York, NY  10036
                         10036


- ------------------
*Also a Director




                                  Page 8 of 15




                                   Schedule II
                                   Viacom Inc.
                               Executive Officers



                         Business of         Principal Occupation               Name and Address of Corporation or
Name                     Residence Address   or Employment                      Other Organization in Which Employed
- -----                    -----------------   ---------------------              ----------------------------------------

                                                                       

Sumner M. Redstone*      Viacom Inc.         Chairman of the Board and          National Amusements, Inc.
                         1515 Broadway       Chief Executive Officer of         200 Elm Street
                         New York, NY        Viacom Inc.; Chairman of the       Dedham, MA  02026
                         10036               Board and President, Chief
                                             Executive Officer of National
                                             Amusements, Inc., President
                                             and Chief Executive Officer of
                                             Viacom International Inc.

Philippe P. Dauman*      Viacom Inc.         Deputy Chairman, Executive VP,     Viacom International Inc.
                         1515 Broadway       General Counsel, Chief             1515 Broadway
                         New York, NY        Administrative Officer and         New York, NY  10036
                         10036               Secretary of Viacom Inc. and
                                             Executive VP and Secretary of
                                             Viacom International Inc.

Thomas E. Dooley*        Viacom Inc.         Deputy Chairman, Executive VP,     Viacom International Inc.
                         1515 Broadway       Finance, Corporate Development     1515 Broadway
                         New York, NY        and Communications of Viacom       New York, NY  10036
                         10036               Inc. and Executive VP of
                                             Viacom International Inc.

Robert M. Bakish         Viacom Inc.         Sr. VP, Planning, Development      Viacom International Inc.
                         1515 Broadway       and Technology of Viacom Inc.      1515 Broadway
                         New York, NY        and Viacom International Inc.      New York, NY  10036
                         10036

Carl D. Folta            Viacom Inc.         Sr. VP, Corporate                  Viacom International Inc.
                         1515 Broadway       Relations of Viacom Inc. and       1515 Broadway
                         New York, NY        Viacom International Inc.          New York, NY
                         10036                                                  10036


- --------------------
*Also a Director




                                  Page 9 of 15




                                   Schedule II
                                   Continue

                                                                       
Michael D. Fricklas      Viacom Inc.         Sr. VP, Deputy General Counsel     Viacom International Inc.
                         1515 Broadway       and Assistant Secretary of         1515 Broadway
                         New York, NY        Viacom Inc. and Sr. VP and         New York, NY  10036
                         10036               Assistant Secretary of Viacom
                                             International Inc.

Susan C.                 Viacom Inc.         Vice President, Controller,        Viacom International Inc.
Gordon                   1515 Broadway       Chief Accounting Officer of        1515 Broadway
                         New York, NY        Viacom Inc. and Viacom             New York, NY  10036
                         10036               International Inc.

Rudolph L. Hertlein      Viacom Inc.         Sr. VP of Viacom Inc. and          Viacom International Inc.
                         1515 Broadway       Viacom International Inc.          1515 Broadway
                         New York, NY                                           New York, NY  10036
                         10036

Carol Melton             Viacom Inc.         Sr. VP, Government Affairs of      Viacom International Inc.
                         1515 Broadway       Viacom Inc. and Viacom             1515 Broadway
                         New York, NY        International Inc.                 New York, NY  10036
                         10036

William A. Roskin        Viacom Inc.         Sr. VP, Human Resources and        Viacom International Inc.
                         1515 Broadway       Administration of Viacom Inc.      1515 Broadway
                         New York, NY        and Viacom International Inc.      New York, NY  10036
                         10036

Martin Shea              Viacom Inc.         Sr. VP, Investor Relations of      Viacom International Inc.
                         1515 Broadway       Viacom Inc. and Viacom             1515 Broadway
                         New York, NY        International Inc.                 New York, NY  10036
                         10036

George S. Smith,         Viacom Inc.         Sr. VP, Chief Financial            Viacom International Inc.
Jr.                      1515 Broadway       Officer of Viacom Inc. and         1515 Broadway
                         New York, NY        Viacom International Inc.          New York, NY  10036
                         10036



                                   Directors
                                   ---------

                                                                       

George S. Abrams    Winer & Abrams                Attorney                      Winer & Abrams
                    60 State Street                                             60 State Street
                    Boston, MA  02109                                           Boston, MA  02109

Ken Miller          Credit Suisse First Boston    Vice Chairman of              Credit Suisse First Boston
                    Corporation                   Credit Suisse First           Corporation
                    11 Madison Avenue             Boston Corporation            11 Madison Avenue
                    22nd Floor                                                  22nd Floor
                    New York, NY  10010                                         New York, NY  10010



                                 Page 10 of 15




                                   Schedule II
                                    Continued

                                                                       

Brent D. Redstone   c/o Showtime Networks Inc.    Director of National          National Amusements, Inc.
                    8101 E. Prentice Avenue       Amusements, Inc.              200 Elm Street
                    Suite 704                                                   Dedham, MA  02026
                    Englewood, CO  80111

Shari Redstone      National Amusements, Inc.     Executive Vice President      National Amusements, Inc.
                    200 Elm Street                and Director of National      200 Elm Street
                    Dedham, MA  02026             Amusements, Inc.              Dedham, MA  02026

Frederic V.         Bell Atlantic Corporation     Vice Chairman--Finance        Bell Atlantic Corporation
Salerno             1095 Avenue of the Americas   and Business Development      1095 Avenue of the Americas
                    New York, NY  10036           of Bell Atlantic              New York, NY  10036
                                                  Corporation

William Schwartz    Yeshiva University            VP for Academic Affairs       Yeshiva University
                    2495 Amsterdam Avenue         (Chief Academic Officer)      2495 Amsterdam Avenue
                    Yew York, NY  10033           of Yeshiva University         New York, NY  10033

Ivan Seidenberg     Bell Atlantic Corporation     Chairman of the Board         Bell Atlantic Corporation
                    1095 Avenue of the Americas   and Chief Executive           1095 Avenue of the Americas
                    New York, NY  10036           Officer of Bell Atlantic      New York, NY  10036
                                                  Corporation




                                 Page 11 of 15




                                 EXHIBIT INDEX
                                 -------------

Exhibit No.    Description
- -----------    -----------

99.1           Stock Purchase Agreement,  dated February 7, 1998, between Viacom
               International Inc.and THOMSON multimedia S.A.

99.2           Agreement  between  Viacom   International  Inc.  and  Sumner  M.
               Redstone pursuant to Rule 13d-1(f)(1)(iii).




                                 Page 12 of 15