© 2026 The Couch Critic
British crime film directed by Peter Duffell and starring Bernard Lee, Moira Redmond and John Van Eyssen, loosely based on the 1918 novel "The Man Who Knew" by Edgar Wallace.
19 Cast Members
Bernard Lee
Inspector Mann
Moira Redmond
Freda Strickland
Stanley Morgan
Sergeant Rutledge
John Van Eyssen
Merril
Gordon Boyd
Rex Holland
Mark Singleton
Shilton
Victor Platt
Harold Strickland
Ernest Clark
Ashton
Nicholas Smith
Pawn Shop Assistant
Larry Martyn
Pete Lake
Danny Sewell
Avery
Robert Sansom
Doctor
Richard Shaw
Bill Cross
Graham Leaman
Ballistics Scientist
Hilary Martyn
Rita
Clive Marshall
Tony Hart
Ruth Meyers
Mary Nuttal
Deidre Day
Secretary
Peter Howard-Johnson
Police Sergeant
