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Stephen McHattie as Adrian / Andrew |
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Patty Duke as Rosemary Woodhouse |
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Broderick Crawford as Holtzman |
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Ruth Gordon as Minnie Castevet |
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Lloyd Haynes as Laykin |
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David Huffman as Peter Simon |
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Tina Louise as Marjean Dorn |
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George Maharis as Guy Woodhouse |
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Ray Milland as Roman Castevet |
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Donna Mills as Ellen |
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Beverly Sanders as Hollywood Columnist |
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Brian Richards as Dr. Lister |
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Buck Young as 1st Trooper |
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Philip Boyer as Adrian / Andrew, age 8 |
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D.J. Sullivan as Woman on Bus |
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Andy Stone as 1st Boy |
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Calvin Rose as 2nd Boy |
| Directing | Sam O'Steen | Director |
| Writing | Anthony Wilson | Writer |
| Camera | John A. Alonzo | Director of Photography |
| Sound | Charles Bernstein | Original Music Composer |
| Production | Jack G. Roberts | Casting |
| Costume & Make-Up | Emma M. diVittorio | Hairstylist |
| Editing | Bob Wyman | Editor |
| Costume & Make-Up | Jack Petty | Makeup Artist |
| Art | Les Gobruegge | Art Direction |
| Art | Fred Price | Set Decoration |
| Production | Anthony Wilson | Producer |
| Directing | Ken Swor | Assistant Director |
| Production | Leonard S. Smith Jr. | Unit Production Manager |
| Sound | Dominick Gaffey | Sound Mixer |
| Crew | Joseph P. Mercurio | Special Effects |
| Sound | John LaSalandra | Music Editor |
| Writing | Ira Levin | Novel |
| Sound | Jack C. May | Sound Editor |
| Sound | Harold E. Wooley | Sound Editor |
| Sound | Frank White | Sound Editor |