On screen
Cast
22 credited performers
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
Artwork unavailable
Dennis Arundell
Phillip Rainsford
Johnnie Schofield
Purvis
Artwork unavailable
Paul Croft
Marat
Kynaston Reeves
Beales
Desmond Roberts
Cotter
Danny Green
Carl
Patric Curwen
Dr. Grey
Artwork unavailable
Tony Arpino
Fox
Artwork unavailable
Vincent Holman
Col. Wills
Howard Douglas
Preston
Artwork unavailable
Billy Howard
Sergeant Crossby
Artwork unavailable
Anders Timberg
Wrexham
Artwork unavailable
H Victor Weske
Otto
Artwork unavailable
Gerald Pring
Sir Horace Cranston
Artwork unavailable
Noel Dainton
Van Schuster
Artwork unavailable
Olive Walter
Housekeeper