"Detective Sexton Blake takes on Nazi spies while solving a series of crimes."
David Farrar
as Sexton Blake
Dennis Price
as Dick Warren
Pamela Stirling
as Stella Duncan
Julien Mitchell
as James Duncan (as Julian Mitchell)
Cyril Smith
as P.C. Morgan
Ferdy Mayne
as Paul Dacier
Dennis Arundell
as Phillip Rainsford
Johnnie Schofield
as Purvis
Paul Croft
as Marat
Kynaston Reeves
as Beales
Desmond Roberts
as Cotter
Danny Green
as Carl
Patric Curwen
as Dr. Grey
Tony Arpino
as Fox
Vincent Holman
as Col. Wills
Howard Douglas
as Preston
Billy Howard
as Sergeant Crossby
Anders Timberg
as Wrexham
H Victor Weske
as Otto
Gerald Pring
as Sir Horace Cranston
Noel Dainton
as Van Schuster
Olive Walter
as Housekeeper
John Harlow
Director
Denis Johnson
Assistant Director
Lito Carruthers
Editor
Writer
C. Wilfred Arnold
Art Direction
Maude Churchill
Wardrobe Supervisor
James Wilson
Cinematography
Louis H. Jackson
Producer
