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Soupy Sales as Melvin Byrd |
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Tab Hunter as Lieutenant Porter |
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Arthur O'Connell as Professor Wald |
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Edward Andrews as General Smithburn |
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Doris Dowling as Congresswoman Clanger |
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Beverly Adams as Claudine Wald |
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Louis Quinn as Sergeant Skam |
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Frank Nastasi as Yellow Cab Driver |
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Burt Taylor as Devlin |
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Courtney Brown as Arno |
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Russell Saunders as Clurg |
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Julian Voloshin as Professor Nep |
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Bob Bersell as Doorman |
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Warren Day as Curtis |
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Jay Laskay as Willie |
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Burt Leigh as Radar Operator |
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Dean Martin as Golfer |
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Groucho Marx as Man Looking Through Window At Melvin Flying |
| Directing | Andrew Marton | Director |
| Production | Ben Chapman | Production Executive |
| Costume & Make-Up | George Fiala | Makeup Supervisor |
| Art | Don K. Ivey | Set Decoration |
| Costume & Make-Up | Peggy Kunkle | Wardrobe Designer |
| Art | Mel Bledsoe | Art Direction |
| Sound | Samuel Matlovsky | Original Music Composer |
| Art | Jack Johnson | Property Master |
| Directing | Joseph Gannon | Script Supervisor |
| Writing | Art Arthur | Screenplay |
| Costume & Make-Up | Irene Aparicio | Hairstylist |
| Production | Stanley Colbert | Producer |
| Production | Edward Haldeman | Production Manager |
| Directing | James Gordon McLean | Assistant Director |
| Costume & Make-Up | Mildred Simpkins | Wardrobe Designer |
| Production | Ivan Tors | Executive Producer |
| Sound | Howard Warren | Sound |
| Editing | Erwin Dumbrille | Editor |
| Art | Preston Rountree | Set Designer |
| Writing | Leonard B. Kaufman | Story |
| Camera | Howard Winner | Director of Photography |
| Writing | Arnie Kogen | Screenplay |
