Discover
David Farrar
Sexton Blake
Manning Whiley
Raoul Sudd
Dennis Arundell
Johann Sudd
John Varley
Tinker
Betty Huntley-Wright
Nobby
Gordon McLeod
Inspector Venner
Kathleen Harrison
Mrs. Bardell
Cyril Smith
Belford
Magda Kun
Yvonne
Ferdy Mayne
Slant-Eyes
Charles Farrell
Skipper
Roddy Hughes
Ferraby
Philip Godfrey
James Baird
Tony Arpino
Torch
Charles Rolfe
Mario Carloni
Billy Howard
Policeman
John Powe
Cockney Chink
Jack Vyvyan
Hawkins
Henry Wolston
Assistant Commissioner
David Keir
Charlie Kunn
Elsie Wagstaff
Mrs. Baird
Robert Brooks Turner
Constable
Alfred Harris
Hospital Doctor
Margo Johns
Hospital Nurse
Jean Simmons
Eva Watkins
Mark Jones
Barman
Art
C. Wilfred Arnold
Art Direction
Camera
Geoffrey Faithfull
Director of Photography
Directing
John Harlow
Director
Editing
Vi Burdon
Editor
Production
Louis H. Jackson
Producer
Sound
Percival Mackey
Music
Writing
John Harlow
Writer
Art
C. Wilfred Arnold
Art Direction
Camera
Geoffrey Faithfull
Director of Photography
Directing
John Harlow
Director
Editing
Vi Burdon
Editor
Production
Louis H. Jackson
Producer
Sound
Percival Mackey
Music
Writing
John Harlow
Writer