| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Martinelli | Crew | Camera | Director of Photography |
Bernard B. Brown | Crew | Sound | Sound Supervisor |
Charles Previn | Crew | Sound | Music Director |
Clifford Vaughan | Crew | Sound | Original Music Composer |
David Raksin | Crew | Sound | Original Music Composer |
 Frank Skinner | Crew | Sound | Original Music Composer |
Hans J. Salter | Crew | Sound | Original Music Composer |
Harry Keller | Crew | Editing | Editor |
Irving Starr | Crew | Production | Producer |
Jack Otterson | Crew | Art | Art Direction |
James Ronald | Crew | Writing | Novel |
Otis Garrett | Crew | Directing | Director |
Robert Pritchard | Crew | Sound | Sound |
Robertson White | Crew | Writing | Screenplay |
Vera West | Crew | Costume & Make-Up | Costume Design |
Ben Hersh | Crew | Production | Production Manager |
Alexander Pollard | Cast | Eddie the Sanitorium Attendant (uncredited) | |
 Anne Nagel | Cast | Actress | Laura the Secretary (uncredited) |
 Barlowe Borland | Cast | Actor | Lucus Marplay |
 Boyd Irwin | Cast | Actor | Sinclair Ellis |
 Bruce Lester | Cast | Actor | Lord Noel Stratton |
 Denis Greene | Cast | Leets (uncredited) | |
 Edmund Lowe | Cast | Actor | Mark Peters |
 Forrester Harvey | Cast | Actor | Allistair McNab |
Hal E. Chester | Cast | Actor | Copy Boy (uncredited) |
 Herbert Evans | Cast | Actor | Kirby the Assistant Editor (uncredited) |
John Rogers | Cast | Actor | Printer (uncredited) |
 Leyland Hodgson | Cast | Actor | Dade |
 Phyllis Barry | Cast | Actress | Miss Carson (uncredited) |
 Reginald Barlow | Cast | Actor | Sir John Digby |
Robert Noble | Cast | Actor | Inspector Wren |
 Vernon Steele | Cast | Actor | Nigel Partridge |
 Walter Kingsford | Cast | Actor | Amos Craven |
 Wendy Barrie | Cast | Actress | Joan Marplay |
 Wilson Benge | Cast | Actor | Bradley the Butler (uncredited) |
 Michael Vallon | Cast | Actor | Wilkes the Editor (uncredited) |
 J. M. Kerrigan | Cast | Actor | Flinters |
| Person | Type | Job | Role(s) |
