| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Fennell | Crew | Writing | Screenplay, Producer |
 Bernard Knowles | Crew | Directing | Director, Screenplay |
Bertram Ostrer | Crew | Writing | Screenplay, Producer |
Clifford Boote | Crew | Editing | Editor |
Elsa Fennell | Crew | Costume & Make-Up | Wardrobe Master |
Eric Cross | Crew | Camera | Still Photographer |
John Elphick | Crew | Art | Art Direction |
Moray Grant | Crew | Camera | Camera Operator |
Philip Green | Crew | Sound | Original Music Composer, Music Director |
 Robert Lynn | Crew | Directing | Assistant Director |
Charles Tasto | Crew | Sound | Sound Recordist |
Polly Young | Crew | Costume & Make-Up | Hairdresser |
Dick Bonnor-Morris | Crew | Costume & Make-Up | Makeup Artist |
Maureen Whitty | Crew | Directing | Continuity |
Clifford Witting | Crew | Crew | Treatment |
Albert Becket | Crew | Production | Production Manager |
Berkeley Gray | Crew | Writing | Novel |
Charles Wilder | Crew | Production | Production Accountant |
Anthony Woodruff | Cast | Actor | Clerk |
 Anton Diffring | Cast | Actor | Gregor |
 Carl Jaffe | Cast | Actor | Boris Roff |
 Edwin Richfield | Cast | Actor | Mr. Reynolds |
 Eva Bartok | Cast | Actress | Nadina Rodin |
Frank Sieman | Cast | Actor | Captain Kramer |
 Frederick Schiller | Cast | Actor | Ivan Burgin |
 Joy Shelton | Cast | Actress | Pixie Everard |
 Martin Boddey | Cast | Actor | Stumpy |
 Michael Balfour | Cast | Actor | Ted Birston |
Patrick Westwood | Cast | Actor | Police Constable (uncredited) |
 Richard Marner | Cast | Actor | Barkov |
 Richard Wattis | Cast | Actor | Theodore Feather |
 Robert Adair | Cast | Actor | Baron Von Henschel |
 Sid James | Cast | Actor | Supt. Williams (as Sidney James) |
 Terence Alexander | Cast | Actor | Hotel Manager |
 Tom Conway | Cast | Actor | Norman Conquest |
Tony Hilton | Cast | Actor | Lift Attendant |
Victor Platt | Cast | Actor | Taxi Driver |
 Ian Fleming | Cast | Actor | Colonel Santling |
George Hilsdon | Cast | Actor | Russian Embassy Man (uncredited) |
Alan Rolfe | Cast | Police Inspector | |
 Edward Dentith | Cast | Actor | Police Sergeant (uncredited) |
Derek Prentice | Cast | Hall Porter | |
Brian Moorehead | Cast | Actor | First Mate |
Billie Hill | Cast | Mrs. Pottle | |
| Person | Type | Job | Role(s) |
