Directed by
| Sheldon Reynolds | ||
Writing Credits
| Sheldon Reynolds | ... | (written by) |
Cast (in credits order)
| Patrick O'Neal | ... | Richard Cutting | |
| Joan Hackett | ... | Dominique Laurant | |
| John Gielgud | ... | Curt Valayan | |
| Herbert Lom | ... | Matt Wilson | |
| Eric Portman | ... | Notary | |
| Peter van Eyck | ... | Walter Green | |
| Oscar Homolka | ... | Inspector Ruff | |
| Leon Greene | ... | The Big Man | |
| Kent Smith | ... | Mr. Eversley | |
| Philip Ober | ... | Bohlen | |
| Fifi D'Orsay | ... | Mrs. Hennie | |
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Éva Szörényi | ... | Landlady (as Eva Soreny) |
| Cynthia O'Neal | ... | Felice Valayan (as Cynthia Baxter) | |
| Rest of cast listed alphabetically: | |||
| Karl Bruck | ... | Waiter (uncredited) | |
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Albert D'Arno | ... | Waiter (uncredited) |
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Betty Freeman | ... | Secretary (uncredited) |
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Walter Friedel | ... | Secretary (uncredited) |
| Walter Janovitz | ... | Waiter (uncredited) | |
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Joanne Ludden | ... | Receptionist (uncredited) |
| Martin Miller | ... | Police Chief (uncredited) | |
| Ann Prentiss | ... | Hotel Party Girl in Red Dress (uncredited) | |
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Charles H. Radilak | ... | Manager (uncredited) |
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Erik Sorenson | ... | Bellboy (uncredited) |
| Sheb Wooley | ... | The Big Man's Scream (archive sound) (uncredited) | |
Produced by
| William Conrad | ... | executive producer |
| Jimmy Lydon | ... | producer (uncredited) |
Music by
| William Lava | ||
Cinematography by
| Enzo Barboni | ... | director of photography |
| Harold Lipstein | ... | director of photography |
Editing by
| George R. Rohrs | ... | (as George Rohrs) |
Art Direction by
| John Beckman | ||
Set Decoration by
| George James Hopkins | ||
Makeup Department
| Gordon Bau | ... | makeup supervisor |
| Jean Burt Reilly | ... | supervising hair stylist |
Production Management
| Charles Bonniwell | ... | unit manager |
Second Unit Director or Assistant Director
| Gil Kissel | ... | assistant director |
Sound Department
| Stanley Jones | ... | sound |
| Dennis Lanning | ... | sound editor (uncredited) |
| Jonathan Morris | ... | assistant sound editor (uncredited) |
Stunts
| Fred Carson | ... | stunts |
| Richard Farnsworth | ... | stunts |
Music Department
| Dan Wallin | ... | score mixer |
Script and Continuity Department
| Doris DeHerdt | ... | script supervisor |
| Crayton Smith | ... | script supervisor trainee (uncredited) |
