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Hugh Beaumont as Michael Shayne |
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Cheryl Walker as Phyllis Hamilton |
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Ralph Dunn as Det. Sgt. Pete Rafferty |
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Paul Bryar as Tim Rourke |
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Charles C. Wilson as Chief Gentry (as Charles Wilson) |
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Douglas Fowley as Doc H. C. Patterson |
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Gordon Richards as Burton Stallings |
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Charles Quigley as Arch Dubler |
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Julia McMillan as Lucille |
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Marie Hannon as Helen Stallings / Barbara Brett |
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Lee Bennett as Whit Marlowe |
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Henry Hall as Dr. F. C. Porter |
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Fred Aldrich as Asylum Orderly |
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Chet Brandenburg as Patient |
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John Cason as Club Bouncer |
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Milton Kibbee as Joe Morell |
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Bob Reeves as Police Officer |
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Jack Roper as Club Bouncer |
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Gene Roth as Asylum Orderly |
| Production | Sigmund Neufeld | Producer |
| Art | Edward C. Jewell | Art Direction |
| Production | Bert Sternbach | Production Manager |
| Sound | Leo Erdody | Music |
| Art | Harry Reif | Set Decoration |
| Costume & Make-Up | Bud Westmore | Makeup Department Head |
| Directing | Sam Newfield | Director |
| Editing | Holbrook N. Todd | Editor |
| Writing | Brett Halliday | Characters |
| Camera | Jack Greenhalgh | Director of Photography |
| Writing | Raymond L. Schrock | Screenplay |
| Directing | Sam Newfield | Assistant Director |
| Art | Eugene C. Stone | Property Master |
| Crew | Ray C. Smallwood | Special Effects |
| Crew | Ray Mercer | Special Effects |
| Sound | Leo Erdody | Music Director |
| Sound | Earl Sitar | Sound Engineer |
