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Hugh Beaumont as Dennis O'Brien |
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Edward Brophy as Prof. Frederick Simpson Schicker |
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Richard Travis as Police Lt. Bruger |
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Tom Neal as Edgar Spadely |
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Pamela Blake as Vicki Jason |
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Virginia Dale as Claire Underwood |
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Ralph Sanford as Larry Dunlap |
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Paula Drew as Sheila Jason |
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Jack Reitzen as Cole - the Auctioneer |
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Edward Clark as Elderly Man at Auction |
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Richard Monahan as Henry - the Bartender |
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Don Garner as Bud Becker |
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Tiny Jones as Woman at Auction |
| Directing | William Berke | Director |
| Camera | Jack Greenhalgh | Director of Photography |
| Sound | Bert Shefter | Original Music Composer |
| Editing | Carl Pierson | Editor |
| Editing | Harry Reynolds | Editor |
| Directing | John Francis Murphy | Assistant Director |
| Art | Frank Paul Sylos | Art Direction |
| Art | Harry Reif | Set Decoration |
| Sound | Glen Glenn | Sound |
| Art | Tom Kemp | Construction Manager |
| Costume & Make-Up | Alfred Berke | Costume Design |
| Art | Leigh Carson | Property Master |
| Crew | Ray Mercer | Special Effects |
| Costume & Make-Up | Paul Stanhope | Makeup Artist |
| Crew | Stanley Price | Dialogue Coach |
| Production | Jack Leewood | Associate Producer |
| Production | William Berke | Producer |
| Writing | Herb Margolis | Story |
| Writing | Lou Morheim | Story |
| Writing | Julian Harmon | Screenplay |
