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John Ireland as John Howard Barrington |
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Mercedes McCambridge as Connie Carter |
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James Barton as Ezra Thompson |
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Emlyn Williams as Dr. David Dunbar |
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Lloyd Gough as Asylum Dr. Gordon |
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Basil Ruysdael as Cyrus Barrington |
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David Bauer as Level Louie |
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Harry Shannon as Asylum Warden Anderson |
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Celia Lovsky as Mrs. Cyrus Barrington |
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David McMahon as State Trooper |
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Chubby Johnson as Feed Store Manager |
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Frank Jenks as Tom, Drunk Cowboy |
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Emmett Lynn as Jack, Waiter |
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Dick Wessel as Sid, Drunk Cowboy |
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Frank Jaquet as Town Sheriff |
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Lyle Talbot as City Detective |
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King Donovan as Piano Player |
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O.Z. Whitehead as Whoopie |
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Frank Richards as Gargantua |
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Sue Casey as Miss Dean, Receptionist |
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Iris Adrian as Floozy at Level Louie's Place |
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Richard Alexander as Barfly |
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Barry Brooks as Hospital Prison Guard |
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John Frederick as Deputy |
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Frank Hagney as Floozy's Boyfriend |
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Tom Kennedy as Asylum Inmate |
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Paul Kruger as Police Detective |
| Writing | Isadore Goldsmith | Story |
| Camera | Franz Planer | Director of Photography |
| Sound | Herschel Burke Gilbert | Original Music Composer |
| Editing | Joseph Gluck | Editor |
| Writing | E.A. Rolfe | Story |
| Directing | E.A. Dupont | Director |
| Production | Isadore Goldsmith | Producer |
| Costume & Make-Up | Joe King | Wardrobe Supervisor |
| Sound | Walter Sheets | Orchestrator |
| Sound | Fred Lau | Sound Recordist |
| Sound | Joseph Mullendore | Orchestrator |
| Art | Al Hersh | Assistant Property Master |
| Production | Ben Hersh | Production Supervisor |
| Directing | Emmett Emerson | Assistant Director |
| Costume & Make-Up | Florence Hayes | Wardrobe Supervisor |
| Production | Les Nettenstrom | Assistant Production Manager |
| Production | Robert H. Justman | Production Assistant |
| Art | Mike Gordon | Property Master |
| Sound | Mac Dalgleish | Sound Recordist |
| Camera | Dave Ragin | Camera Operator |
| Lighting | Don Stott | Electrician |
| Sound | Hugh McDowell Jr. | Sound Mixer |
| Camera | Morris Rosen | Grip |
| Camera | Al St. Hilaire | Still Photographer |
| Production | Anthony Z. Landi | Associate Producer |
| Costume & Make-Up | Gustaf Norin | Makeup Artist |
| Art | Rudolph Sternad | Production Design |
| Writing | E.A. Dupont | Screenplay |
| Costume & Make-Up | Hollis Barnes | Hairstylist |
| Art | Edward G. Boyle | Set Decoration |
