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.
Peter DuffellDirector
Inspector Mann
Freda Strickland
Sergeant Rutledge
Merril
Rex Holland
Shilton
Harold Strickland
Ashton
Pawn Shop Assistant
Pete Lake
Avery
Doctor
Bill Cross
Ballistics Scientist
Rita
Tony Hart
Mary Nuttal
Secretary
Police Sergeant
