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