Diretor/a
John Harlow
DIRETOR/A
Elenco (na ordem dos créditos)
David Farrar
Sexton Blake
Dennis Price
Dick Warren
Pamela Stirling
Stella Duncan
Julien Mitchell
James Duncan
Cyril Smith
P.C. Morgan
Dennis Arundell
Rainsford
Ferdy Mayne
Dacier
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
Sgt. Crosby
Anders Timberg
Wrexham
H Victor Weske
Otto
Gerald Pring
Sir Horace Cranston
Noel Dainton
Van Schuster
Charles Hersee
Landlord
Olive Walter
Housekeeper