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Gene Barry as Dr. Frank Addison |
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Lydia Clarke as Martha Addison |
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Michael Moore as Russ Farley |
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Nancy Gates as Ellen Haskell |
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Lee Aaker as Tommy Addison |
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Milburn Stone as Insp. Harold Mann |
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Bert Freed as Emil Jablons |
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Frank Cady as F.B.I. Agent George Weinberg |
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Houseley Stevenson Jr. as 'Greg' Gregson |
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Leonard Strong as Donald Clark |
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Jerry Hausner as John Pattiz |
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John Damler as Dr. Peter Rassett |
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George Lynn as Robert Kalnick |
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Olan Soule as Mortie Fenton |
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Anthony Warde as Arnie Molter |
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Tommy Farrell as Baseball Game Usher |
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Mary Murphy as Young Woman Buying Stamps |
| Writing | Sydney Boehm | Writer |
| Camera | Charles Lang | Director of Photography |
| Production | Joseph Sistrom | Producer |
| Directing | Jerry Hopper | Director |
| Sound | Leith Stevens | Original Music Composer |
| Editing | Archie Marshek | Editor |
| Art | Al Roelofs | Art Direction |
| Costume & Make-Up | Edith Head | Costume Design |
| Art | Sam Comer | Set Decoration |
| Art | Bertram C. Granger | Set Decoration |
| Art | Hal Pereira | Art Direction |
| Sound | Harold Lewis | Sound Recordist |
| Costume & Make-Up | Wally Westmore | Makeup Supervisor |
| Sound | Walter Oberst | Sound Recordist |
