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Denholm Elliott as Oliver Larker |
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Peter Lorre as Smiley |
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Beverly Bentley as Decoy Sally |
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Paul Lukas as Baron Saradin |
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Liam Redmond as Johnny Gin |
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Leo McKern as Tommy Kennedy |
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Peter Arne as Robert Fleming |
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Diana Dors as Winifred Jordan |
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Elizabeth Taylor as Woman of Mystery |
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Mary Laura Wood as Margharita |
| Directing | Jack Cardiff | Director |
| Sound | Harold Adamson | Music |
| Sound | Mario Nascimbene | Music |
| Camera | Paul Wilson | Camera Operator |
| Production | Michael Todd Jr. | Producer |
| Camera | John von Kotze | Director of Photography |
| Art | Vincent Korda | Production Design |
| Art | Dario Simoni | Set Decoration |
| Sound | Murray Spivack | Sound Re-Recording Mixer |
| Costume & Make-Up | Neville Smallwood | Makeup Artist |
| Writing | William Roos | Writer |
| Writing | Kelley Roos | Story |
| Sound | Franco Ferrara | Music Director |
| Sound | Jordan Ramin | Music |
| Editing | Frank Baldridge | Editor |
| Crew | Cliff Richardson | Special Effects |
| Costume & Make-Up | Charles Simminger | Costume Design |
