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Ray Danton as John Conrad, alias Johnny Salvo |
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Leigh Snowden as Maria Craven |
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Grant Williams as Don Kastner |
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Onslow Stevens as Chief Agent Alec Conrad |
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Raymond Bailey as Philip Bormann |
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Judson Pratt as Agent Maury Saxton |
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Jack Kruschen as Agent Pill Schwartz |
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Floyd Simmons as Agent Harris |
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Mel Welles as Milo |
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Alexander Campbell as Warden Lewis |
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Kaaren Verne as Mrs. Pulenski (as Karen Verne) |
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Maurice Doner as Mr. Pulenski |
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Jess Kirkpatrick as Bill MacReady |
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Arthur Hanson as Agent Parker |
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Richard H. Cutting as Agent Pomeroy |
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George E. Mather as Bus Station Attendant |
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Amapola Del Vando as Mama Gomez |
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Ezelle Poule as Mrs. Flynn |
| Sound | Milton Rosen | Music Supervisor |
| Directing | Jack Arnold | Director |
| Writing | Peter R. Brooke | Story |
| Writing | Danny Arnold | Writer |
| Production | Albert J. Cohen | Producer |
| Camera | Irving Glassberg | Director of Photography |
| Editing | Irving Birnbaum | Editor |
| Art | Alexander Golitzen | Art Direction |
| Art | Eric Orbom | Art Direction |
| Art | Oliver Emert | Set Decoration |
| Art | Russell A. Gausman | Set Decoration |
| Costume & Make-Up | Rosemary Odell | Costume Design |
