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Tony Curtis as Jerry Florea |
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George Nader as Edward Gallagher |
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Julie Adams as Ellen Gallagher |
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Jay C. Flippen as Vincent Concannon |
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Sal Mineo as Jerry - as a boy |
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Jan Merlin as Andy Norris |
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Richard Castle as Skids Radzevich |
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William Murphy as Red Flanagan |
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Kendall Clark as Sanborn |
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Don Keefer as Sherman |
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Harry Bartell as Father Bonelli |
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Tito Vuolo as Angie |
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Robert Lynn as Jury Foreman |
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Kem Dibbs as Policeman |
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Sammy Davis Jr. as Uncredited |
| Directing | Joseph Pevney | Director |
| Writing | Sydney Boehm | Screenplay |
| Sound | Joseph Gershenson | Music Supervisor |
| Sound | Leslie I. Carey | Sound |
| Sound | Joe Lapis | Sound |
| Crew | Dan Moynihan | Technical Advisor |
| Directing | Ronald R. Rondell | Assistant Director |
| Writing | Joseph F. Dinneen | Original Story |
| Art | Robert Clatworthy | Art Direction |
| Art | Alexander Golitzen | Art Direction |
| Art | Russell A. Gausman | Set Decoration |
| Art | Ruby R. Levitt | Set Decoration |
| Costume & Make-Up | Jay A. Morley Jr. | Costume Design |
| Costume & Make-Up | Joan St. Oegger | Hairstylist |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Sound | Frank Skinner | Original Music Composer |
| Sound | Herman Stein | Original Music Composer |
| Production | Richard McWhorter | Unit Production Manager |
| Directing | Russ Haverick | Assistant Director |
| Crew | Joe Gray | Stunts |
| Crew | Carey Loftin | Stunts |
| Production | Phil Benjamin | Casting |
| Directing | Luanna S. Poole | Script Supervisor |
| Crew | Leon Charles | Dialogue Coach |
| Production | Aaron Rosenberg | Producer |
| Camera | William H. Daniels | Director of Photography |
| Editing | Russell F. Schoengarth | Editor |
