Detective Sexton Blake takes on Nazi spies while solving a series of crimes.
David Farrar
Sexton Blake
Dennis Price
Dick Warren
Pamela Stirling
Stella Duncan
Julien Mitchell
James Duncan (as Julian Mitchell)
Cyril Smith
P.C. Morgan
Dennis Arundell
Phillip Rainsford
Johnnie Schofield
Purvis
Paul Croft
Marat
Kynaston Reeves
Beales
Desmond Roberts
Cotter
Danny Green
Carl
Patric Curwen
Dr. Grey
John Harlow
Director
Lito Carruthers
Editor
Louis H. Jackson
Producer
Writer
James Wilson
Cinematography
Maude Churchill
Wardrobe Supervisor
Denis Johnson
Assistant Director
C. Wilfred Arnold
Art Direction
