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                       SECURITIES AND EXCHANGE COMMISSION
 
                             Washington, D.C. 20549
 
                            ------------------------
 
   
                                  FORM 10-K/A
    
 
                 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
 
                   For the twelve months ended December 27, 1996
                        Commission file number: 0-23198
 
                             INTERIM SERVICES INC.
             (Exact name of registrant as specified in its charter)
 
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<S>                          <C>
         DELAWARE                 36-3536544
      (State or other          (I.R.S. Employer
      jurisdiction of           Identification
     incorporation or               Number)
       organization)
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            2050 SPECTRUM BOULEVARD, FORT LAUDERDALE, FLORIDA 33309
 
             (Address of principal executive offices)    (Zip code)
 
                                 (954) 938-7600
              (Registrant's telephone number, including area code)
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:
 
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                               NAME OF EACH EXCHANGE
    TITLE OF EACH CLASS         ON WHICH REGISTERED
<S>                           <C>
Common Stock--$.01 par value  New York Stock Exchange
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          SECURITIES REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT:
 
                                      NONE
                                (Title of class)
 
    Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes /X/ No / /
 
    Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ ]
 
    The aggregate market value of the voting stock held by non-affiliates of the
registrant, computed by reference to the price at which the stock was sold on
February 21, 1997, was $742,844,900.
 
    Number of shares of Registrant's Common Stock, par value $.01 per share
("Common Stock"), outstanding on February 21, 1997 was 19,548,550.
 
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                                AMENDMENT NO. 1
    
 
   
    The undersigned registrant hereby amends the following item of its annual
report on Form 10-K by restating such portion in its entirety as set forth in
the pages attached hereto:
    
 
   
Part III, Item 10
    
 
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                                    PART III
 
   
ITEM 10.  EXECUTIVE OFFICERS OF THE REGISTRANT
    
 
    The executive officers of the Company, each of whom has been elected to
serve at the discretion of the Board of Directors of the Company are:
 
   
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<CAPTION>
                NAME AND AGE                                                POSITION
---------------------------------------------  ------------------------------------------------------------------
<S>                                            <C>
Raymond Marcy, 46                              Chief Executive Officer since September 1991; President and a
                                               Director since November 1989; Chief Operating Officer from
                                               November 1989 until September 1991. Prior to joining the Company,
                                               Mr. Marcy served as Senior Vice President of Operations for Adia
                                               Services, Inc. (Adia), from 1980 through 1988. While retaining his
                                               position as Senior Vice President of Operations for Adia, from May
                                               1988 until November 1989, Mr. Marcy was President and Chief
                                               Executive Officer of Nursefinders, Inc., the temporary nursing
                                               subsidiary of Adia.
 
Allan C. Sorensen, 58                          Chairman of the Board since November 1989. Director since 1967.
                                               President from 1967 to November 1989. CEO from August 1978 to
                                               September 1991. A Director of H&R Block, Inc. from 1979 until
                                               September 1993.
 
Robert E. Livonius, 48                         Chief Operations Officer since February 1997, Executive Vice
                                               President, Operations since August 1993. Vice President,
                                               HealthCare Division from August 1991 to August 1993. Prior to
                                               joining the Company, he served as Vice President--Field Operations
                                               for a division of NYNEX Corporation, from June 1986 through June
                                               1991.
 
Roy G. Krause, 50                              Executive Vice President and Chief Financial Officer since October
                                               1995. Prior to joining the Company, he served as Executive Vice
                                               President of HomeBank Federal Savings Bank and HomeBank Mortgage
                                               Corporation from November 1980 to September 1995.
 
Ronald de Heer, 54                             Executive Vice President, European Operations since September
                                               1996. Prior to joining the Company he served as Managing Director
                                               for Adia Personnel for nearly 10 years in Holland, Belgium and
                                               Luxembourg.
 
John B. Smith, 57                              Senior Vice President/Secretary since January 1980; Legal Counsel
                                               and Secretary since January 1965; Director from January 1969 until
                                               May 1995.
 
Paul Haggard, 44                               Financial Vice President/Treasurer since April 1990; Vice
                                               President/Corporate Controller since November 1986; Corporate
                                               Controller from April 1986 to November 1986.
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<CAPTION>
                NAME AND AGE                                                POSITION
---------------------------------------------  ------------------------------------------------------------------
Robert Evans, 53                               Vice President/Chief Information Officer since May 1996. Prior to
                                               joining the Company he served in several executive positions with
                                               AT&T including Vice President Customer Care Strategy and
                                               Reengineering, Chief Technology Officer, Chief Information Officer
                                               and General Manager of the Consumer interactive Services business
                                               unit.
<S>                                            <C>
 
Philip Baird, 50                               Vice President (HealthCare Franchise and License Operations) since
                                               January 1995. Prior to joining the Company, he owned a private
                                               health care consulting practice from January 1993 to January 1995.
                                               From March 1991 to January 1993 he was President and Chief
                                               Operating Officer of Careteam, Inc., a home health nursing and IV
                                               therapy provider. From August 1982 to March 1991 he served as Vice
                                               President of Operations for Olsten Health Care Services.
 
James H. Booth, 49                             Vice President (HealthCare Division) since October 1996. Prior to
                                               joining the Company he served in various executive and operational
                                               capacities, including President of Field Operations for the Home
                                               Infusions Division, at Caremark International, Inc. from January
                                               1990 to September 1996.
 
Kathleen A. Gilmartin, 45                      Vice President (HealthCare Operations) since August 1993; Vice
                                               President (Branch HealthCare Operations) from November 1989 to
                                               August 1993; Regional Vice President of Branch HealthCare
                                               Operations from July 1987 to November 1989.
 
Richard Gorman, 54                             Vice President (Marketing) since May 1991. Prior to joining the
                                               Company, he served as Vice President of Marketing for Interim
                                               Systems Corporation, from February 1988 to May 1991.
 
Marjorie R. Mangle, 59                         Vice President (Commercial Licenses) since January 1992; Regional
                                               Vice President (Commercial Branch Operations) from April 1988 to
                                               January 1992; Area Director from January 1987 to April 1988.
 
Thomas Mirgon, 40                              Vice President (Administration) since October 1993. Resigned,
                                               effective March 1997. From 1986 to October 1993, he served in
                                               various capacities in the human resources department of Taco Bell,
                                               a division of PepsiCo. When he left Taco Bell, Mr. Mirgon had been
                                               Senior Director of Field Human Resources since February 1992.
 
Gary Peck, 44                                  Vice President (Commercial Branch Operations) since January 1995;
                                               Vice President (Special Services) from August 1991 to December
                                               1994. Prior to joining the Company, he served as Senior Vice
                                               President for Talent Tree Services, Inc., from August 1988 to
                                               August 1991.
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<CAPTION>
                NAME AND AGE                                                POSITION
---------------------------------------------  ------------------------------------------------------------------
Wayne Stickles, 51                             Vice President (Commercial Franchise and License Operations) since
                                               January 1995; Vice President (Commercial Franchises) from April
                                               1986 to December 1994; Senior Operations Director from April 1980
                                               to April 1986.
<S>                                            <C>
 
Shannon C. Allen, 30                           Assistant Treasurer since October 1994. Prior to joining the
                                               Company, she served as Senior Financial Analyst in the Treasury
                                               and Corporate Finance Department at W. R. Grace & Co., Inc. from
                                               April 1992 to October 1994. From August 1988 to September 1991 she
                                               worked in Corporate Finance at Kidder, Peabody & Co.,
                                               Incorporated.
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                                   SIGNATURES
 
    Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.
 
   
                                INTERIM SERVICES INC.
 
                                By               /s/ RAYMOND MARCY
                                     -----------------------------------------
                                                   Raymond Marcy,
April 4, 1997                          PRESIDENT AND CHIEF EXECUTIVE OFFICER
 
    
 
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