| Person | Type | Job | Role(s) |
|---|---|---|---|
 Charles Saunders | Crew | Directing | Director |
Doreen Montgomery | Crew | Writing | Writer |
Eric Boyd-Perkins | Crew | Editing | First Assistant Editor |
Jack Slade | Crew | Editing | Editor |
James Wilson | Crew | Camera | Director of Photography |
Peter T. Davies | Crew | Sound | Sound Re-Recording Assistant |
René Dupont | Crew | Directing | Second Assistant Director |
A.E. Rudolph | Crew | Sound | Sound Recordist |
Betty Baugh | Crew | Costume & Make-Up | Hairstylist |
Michael Morris | Crew | Costume & Make-Up | Makeup Artist |
David Butcher | Crew | Art | Art Direction |
Nobby Smith | Crew | Camera | Focus Puller |
Fred A. Swan | Crew | Production | Production Supervisor |
Joanna Busby | Crew | Directing | Continuity |
Frank Chacksfield | Crew | Sound | Original Music Composer, Conductor |
Alan Robinson | Cast | Actor | Porter (uncredited) |
 Alastair Hunter | Cast | Actor | Sgt. Thorpe |
Arthur Gross | Cast | Actor | Bit Part (uncredited) |
 Bartlett Mullins | Cast | Actor | Coroner (uncredited) |
 Dandy Nichols | Cast | Actress | Waitress (uncredited) |
 Jack Watling | Cast | Actor | Dennis Willows |
 Joan Hickson | Cast | Actress | Miss Edinger |
 John Horsley | Cast | Actor | Peter Hastings |
 John Le Mesurier | Cast | Actor | Phinneas Tilliard |
 June Ashley | Cast | Actress | Madeline Tilliard |
 Kenneth Kent | Cast | Actor | Dr. Julian Cole |
Mary Jones | Cast | Actress | Florence Cole |
 Neil Hallett | Cast | Actor | Police Constable Guarding Hastings' Home (uncredited) |
 Peter Gilmore | Cast | Actor | Bit Part (uncredited) |
 Rona Anderson | Cast | Actress | Sallie Harbord |
 Russell Napier | Cast | Actor | Inspector Simmons |
John Wilder | Cast | Actor | Police Officer at Inquest (uncredited) |
Hélène Burls | Cast | Mrs. James | |
Humphrey Morton | Cast | Usher (uncredited) | |
Edward French | Cast | Bit Part (uncredited) | |
Richard Neller | Cast | Juror at Inquest (uncredited) | |
Pat Hagan | Cast | Police Officer at Inquest (uncredited) | |
| Person | Type | Job | Role(s) |
