Bernard Lee
Superintendent Meredith
David Knight
Lexman
Francis de Wolff
Ramon Karadis
Colette Wilde
Grace
Christine Shaw
Linda Buckland
Stanley Morgan
Sergeant Anson
A.J. Brown
Commissioner of Police
Richard Caldicot
Fisher
Edmond Bennett
Manservant
Simon Lack
Jock
Anthony Baird
Sergeant Butterfield
Gladys Henson
Landlady
Alfred Maron
Finch
Richard Vernon
Viney
Harry Locke
Amis
Roy Purcell
Brennan
Kenneth Fortescue
Secretary (C.I.D.)
Allan Davis
Director
Philip Mackie
Screenplay
Jack Greenwood
Producer
Jim O'Connolly
Associate Producer
Brian Rhodes
Cinematography
Bernard Gribble
Editor
Ronnie Curtis
Casting Director
C. Wilfred Arnold
Art Direction
Michael Morris
Makeup Artist
Harry Kratz
Production Manager
Jimmy Komisarjevsky
Assistant Director
Ronald Abbott
Sound Recordist
Derek Holding
Sound Editor
Sidney Rider
Sound Recordist
Alf Hicks
Camera Operator