Sydney Greenstreet
Supt. George Edward Grodman
Peter Lorre
Victor Emmric
Joan Lorring
Lottie Rawson
George Coulouris
Supt. John R. Buckley
Rosalind Ivan
Mrs. Vicky Benson
Paul Cavanagh
Clive Russell
Arthur Shields
Rev. Holbrook
Morton Lowry
Arthur Kendall
Holmes Herbert
Sir William Dawson
Art Foster
PC Warren
Clyde Cook
Barney Cole
Jimmy Aubrey
Newsboy (uncredited)
Leah Baird
French Charwoman (uncredited)
Wilson Benge
Cockney (uncredited))
Barry Bernard
Pub Keeper (uncredited)
Billy Bletcher
Gravedigger (uncredited)
Colin Campbell
Simpkins (uncredited)
Herbert Clifton
Englishman (uncredited)
Bing Conley
Convict (uncredited)
Harry Cording
Tough Englishman (uncredited)
Howard Davies
Old Gentleman (uncredited)
Boyd Davis
Prison Governor (uncredited)
Harold De Becker
Costermonger (uncredited)
Marcel De La Brosse
French Policeman (uncredited)
Sarah Edwards
Housekeeper (uncredited)
Fernanda Eliscu
French Housekeeper (uncredited)
Herbert Evans
Doorkeeper (uncredited)
Betty Fairfax
Cockney (uncredited)
Al Ferguson
Plainclothesman (uncredited)
John Goldsworthy
Chaplain (uncredited)
Arthur Gould-Porter
Shopkeeper (uncredited)
Frank Hagney
Ex-Pugilist Juryman (uncredited)
Creighton Hale
Reporter (uncredited)
Alec Harford
Ticket Inspector (uncredited)
Sam Harris
Courtroom Spectator (uncredited)
Olaf Hytten
Sergeant (uncredited)
Boyd Irwin
Judge (uncredited)
Ted Jacques
English Policeman (uncredited)
D. Martin Jones
Reporter (uncredited)
Colin Kenny
Sergeant (uncredited)
Crauford Kent
Professional Man (uncredited)
George Kirby
Grocer (uncredited)
Casey MacGregor
Laborer (uncredited)
Henry Mowbray
Innkeeper (uncredited)
Janet Murdoch
Sister Brown (uncredited)
William H. O'Brien
Constable (uncredited)
Milton Parsons
Robertson, Undertaker (uncredited)
Albert Petit
French Policeman (uncredited)
Alexander Pollard
City Clerk (uncredited)
John Power
Watchman (uncredited)
Paul Scardon
Sexton (uncredited)
C. Montague Shaw
Businessman (uncredited)
Reginald Sheffield
Chaplain (uncredited)
Gerald Oliver Smith
Artist (uncredited)
Arthur Stenning
Head Warden (uncredited)
Mark Strong
Coroner (uncredited)
David Thursby
Sergeant (uncredited)
Jack Watt
Cabbie (uncredited)
Leo White
Cabbie (uncredited)
Eric Wilton
Reporter (uncredited)
Ian Wolfe
Jury Foreman (uncredited)
Israel Zangwill
Novel
William Jacobs
Producer
Don Siegel
Director
Ernest Haller
Director of Photography
Jack L. Warner
Executive Producer
Friedrich Hollaender
Original Music Composer
Thomas Reilly
Editor
Ted Smith
Art Direction
Perc Westmore
Makeup Artist
Peter Milne
Screenplay
Robert Burks
Director of Photography
G.W. Berntsen
Set Decoration
Jack McConaghy
Set Decoration
Don Alvarado
Unit Manager
Elmer Decker
Assistant Director
C.A. Riggs
Sound
Gordon M. Davis
Foley Mixer
Gordon M. Davis
Sound Re-Recording Mixer
E. Kenneth Martin
Sound Re-Recording Mixer
E. Kenneth Martin
Foley Mixer
Robert Burks
Special Effects
William C. McGann
Special Effects Supervisor
Russell Collings
Visual Effects
William Schurr
Camera Operator
Travilla
Costume Design
Leo F. Forbstein
Music Director
Leonid Raab
Music Arranger
Virginia Yates
Unit Publicist
Felix Jacoves
Dialogue Coach
James Leicester
Editorial Services
D.R.O. Hatswell
Technical Supervisor