Discover
David Farrar
Sexton Blake
Dennis Price
Dick Warren
Pamela Stirling
Stella Duncan
Julien Mitchell
James Duncan (as Julian Mitchell)
Cyril Smith
P.C. Morgan
Ferdy Mayne
Paul Dacier
Dennis Arundell
Phillip Rainsford
Johnnie Schofield
Purvis
Paul Croft
Marat
Kynaston Reeves
Beales
Desmond Roberts
Cotter
Danny Green
Carl
Patric Curwen
Dr. Grey
Tony Arpino
Fox
Vincent Holman
Col. Wills
Howard Douglas
Preston
Billy Howard
Sergeant Crossby
Anders Timberg
Wrexham
H Victor Weske
Otto
Gerald Pring
Sir Horace Cranston
Noel Dainton
Van Schuster
Olive Walter
Housekeeper
Art
C. Wilfred Arnold
Art Direction
Costume & Make-Up
Maude Churchill
Wardrobe Supervisor
Crew
James Wilson
Cinematography
Editing
Lito Carruthers
Editor
Production
Louis H. Jackson
Producer
Writing
John Harlow
Writer
