| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alan Withy | Crew | Art | Art Direction |
Elsie Alder | Crew | Costume & Make-Up | Hairdresser |
Frank Watts | Crew | Camera | Camera Operator |
 John Addison | Crew | Sound | Original Music Composer, Conductor |
John Davis | Crew | Production | Producer |
 Laurence Payne | Crew | Writing | Novel |
Michael Truman | Crew | Directing | Director |
Patrick Campbell | Crew | Writing | Screenplay |
Peter James | Crew | Art | Set Decoration |
Renée Glynne | Crew | Directing | Continuity |
Robert Lennard | Crew | Production | Casting |
Stanley Pavey | Crew | Camera | Director of Photography |
Vivienne Knight | Crew | Writing | Screenplay |
Wally Schneiderman | Crew | Costume & Make-Up | Makeup Department Head |
William P. Cartlidge | Crew | Directing | Assistant Director |
Frederick Wilson | Crew | Editing | Editor |
Leonard Bulkley | Crew | Sound | Sound Recordist |
Dino Di Campo | Crew | Sound | Sound Editor |
Alfred W. Marcus | Crew | Production | Production Manager |
Ron Benton | Crew | Art | Assistant Art Director |
Alan White | Cast | Actor | Inspector Blackwell |
 Duncan Macrae | Cast | Actor | Barney |
Frank Hawkins | Cast | Actor | Ballistics Expert |
 Gabrielle Brune | Cast | Actress | Lamotte's Secretary |
Griffith Davies | Cast | Actor | Teddy Boy |
 Ian Hendry | Cast | Actor | Inspector Birkett |
 James Villiers | Cast | Actor | David Dane |
 Jane Asher | Cast | Actress | Lindy Birkett |
 Jeremy Brett | Cast | Actor | Jordan Barker |
John Forbes-Robertson | Cast | Actor | Porter |
 Kieron Moore | Cast | Actor | Rodney Herter |
 Margaret Johnston | Cast | Actress | Mrs. Edith Gray |
 Marie Burke | Cast | Actress | Madame Yvonne Lavalle |
 Martin Boddey | Cast | Actor | Inspector |
 Natasha Parry | Cast | Actress | Perlita Barker |
Norman Chappell | Cast | Actor | Police Photographer |
 Patrick Holt | Cast | Actor | Walbrook |
 Peter Arne | Cast | Actor | Hammond Barker |
 Peter Elliott | Cast | Actor | Waiter |
Peter Forbes-Robertson | Cast | Actor | Police Doctor |
 Robert Harris | Cast | Actor | William Lamotte |
 Ronald Fraser | Cast | Actor | Sergeant Saunders |
 Rosalie Crutchley | Cast | Actress | Maude Klein |
 Zena Walker | Cast | Actress | Mildred Birkett |
 Douglas Muir | Cast | Actor | Finger Print Expert |
Terence Brook | Cast | Actor | Detective Sergeant Carter |
Neville Becker | Cast | Actor | Steward |
David Rendall | Cast | Actor | PC Jackson |
Doug Robinson | Cast | Actor | Harrison |
Amanda Bowman | Cast | Actress | Receptionist |
| Person | Type | Job | Role(s) |
