| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Cox | Crew | Editing | Negative Cutter |
Anthony Hinds | Crew | Production | Producer |
Cedric Williams | Crew | Camera | Director of Photography |
Denis Wreford | Crew | Art | Art Direction |
Frank Spencer | Crew | Sound | Conductor, Original Music Composer |
Godfrey Grayson | Crew | Directing | Director, Screenplay |
James Needs | Crew | Editing | Editor |
 Jimmy Sangster | Crew | Directing | Assistant Director |
 John Gilling | Crew | Writing | Screenplay |
Margery Allingham | Crew | Crew | Radio Play |
Peter Bryan | Crew | Camera | Camera Operator |
Philip Leakey | Crew | Costume & Make-Up | Makeup Artist |
Prudence Sykes | Crew | Production | Casting |
Renée Glynne | Crew | Directing | Continuity |
Monica Hustler | Crew | Costume & Make-Up | Hairstylist |
Arthur Barnes | Crew | Production | Production Manager |
Edgar Vetter | Crew | Sound | Sound Recordist |
Myra Cullimore | Crew | Costume & Make-Up | Costume Design |
 Leslie Daniels | Cast | Actor | JJ |
 Aubrey Dexter | Cast | Actor | Harding |
 Charles Hawtrey | Cast | Actor | Mike Atkinson |
Charles Houston | Cast | Actor | Tom |
 Christine Silver | Cast | Actress | Mrs. Musgrave |
 Constance Smith | Cast | Actress | Molly Nusgrave |
Cyril Conway | Cast | Actor | Dr. Mansfield |
 Jimmy Hanley | Cast | Actor | Curly Minter |
 Laurence Naismith | Cast | Actor | Editor |
 Merle Tottenham | Cast | Actress | Alice |
Reginald Dyson | Cast | Actor | Sergeant Cranbourne |
 Stuart Saunders | Cast | Actor | Porter |
 Valentine Dyall | Cast | Actor | Dr. Fell |
John Clifford | Cast | Atkinson | |
Harriet Petworth | Cast | Matron | |
Charles Mander | Cast | P.C. Smith | |
H. Hamilton Earle | Cast | Orderly | |
F.A. Williams | Cast | Butler | |
Archie Callum | Cast | Night Watchman | |
| Person | Type | Job | Role(s) |
