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Carroll Baker as Sylvia: West (Karoki, Kay, Carlyle) |
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George Maharis as Alan Macklin |
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Joanne Dru as Jane (Bronson) Phillips |
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Peter Lawford as Frederic Summers |
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Viveca Lindfors as Irma Olanski |
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Edmond O'Brien as Oscar Stewart |
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Aldo Ray as Jonas Karoki |
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Ann Sothern as Mrs. Argona / Grace Argona |
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Lloyd Bochner as Bruce Stamford III |
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Paul Gilbert as Lola Diamond |
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Jay Novello as Father Gonzales |
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Nancy Kovack as Big Shirley |
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Gene Lyons as Gavin Cullen |
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Anthony Caruso as Wilbur (aka "Muscles") |
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Alan Carney as Gus |
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Shirley O'Hara as Mrs. Karoki |
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Ricky Allen as Herbert, the Boy in the Library (uncredited) |
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Val Avery as Pudgey Smith (uncredited) |
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Majel Barrett as Anne (uncredited) |
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Jean Del Val as Maitre'd (uncredited) |
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Connie Gilchrist as Molly Banter (uncredited) |
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Gavin Gordon as Butler (uncredited) |
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Clive Halliday as Calligraphy Professor (uncredited) |
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John Harmon as Sid (uncredited) |
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Stacy Harris as Mr. Leland (uncredited) |
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Kathleen Mulqueen as Assistant Principal (uncredited) |
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Manuel Padilla Jr. as Pancho Guzman (uncredited) |
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Robert Random as (uncredited) |
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Gene Roth as Professor Eglebert (uncredited) |
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Geraldine Wall as Clerk at Private Hospital (uncredited) |
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Paul Wexler as Peter Memel (uncredited) |
| Directing | Gordon Douglas | Director |
| Writing | Sydney Boehm | Screenplay |
| Writing | Howard Fast | Screenplay |
| Production | Shirley Mellner | Associate Producer |
| Production | Martin Poll | Producer |
| Production | Steve Shagan | Associate Producer |
| Editing | Frank Bracht | Editor |
| Art | Roland Anderson | Art Direction |
| Art | Hal Pereira | Art Direction |
| Art | Sam Comer | Set Decoration |
| Art | Arthur Krams | Set Decoration |
| Costume & Make-Up | Edith Head | Costume Design |
| Costume & Make-Up | Nellie Manley | Hair Supervisor |
| Costume & Make-Up | Wally Westmore | Makeup Supervisor |
| Directing | Dick Moder | Assistant Director |
| Sound | Harry Lindgren | Sound Recordist |
| Sound | John Wilkinson | Sound Recordist |
| Sound | Howard Beals | Sound Editor |
| Visual Effects | Farciot Edouart | Visual Effects |
| Crew | Paul K. Lerpae | Special Effects |
| Sound | Edward B. Powell | Orchestrator |
| Sound | Van Cleave | Orchestrator |
| Sound | Paul Anka | Theme Song Performance |
| Camera | Joseph Ruttenberg | Director of Photography |
| Sound | David Raksin | Original Music Composer |
