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Frankie Laine as Jerry Dennis |
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Constance Towers as Nancy Willows |
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Keefe Brasselle as Martin 'Marty' Adams |
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Lucy Marlow as Marge Stevenson |
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William Leslie as David Parker |
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Jack Albertson as Mr. Jenson |
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Mario Siletti as Ricardo |
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Ruth Warren as Mrs. Klein, Landlady |
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Bobby Clark as Waldo |
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Murray Leonard as Dave |
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Ida Smeraldo as Mama |
| Directing | Blake Edwards | Director |
| Writing | Blake Edwards | Story |
| Writing | Richard Quine | Story |
| Editing | Al Clark | Editor |
| Writing | Blake Edwards | Screenplay |
| Production | Jonie Taps | Producer |
| Sound | George Duning | Original Music Composer |
| Camera | Charles Lawton Jr. | Director of Photography |
| Art | William Flannery | Art Direction |
| Art | Louis Diage | Set Decoration |
| Sound | George Cooper | Sound Engineer |
| Directing | Irving J. Moore | Assistant Director |
| Crew | Miriam Nelson | Choreographer |
