A private detective tries to find out how and why some convicts have mysteriously disappeared from the prison of Dartmoor.
Anthony Nash
Inspektor Cromwell
O’Hara
Bardame
Mrs. Simmons
Fletcher
Sergeant
Joyce Trevor
Evelyn Webster
Mr. Simmons
Mr. Gray
Sir James
Billy
Trollope
Ritchie
Director
Production Design
Producer
Novel
Assistant Director
Director of Photography
Editor
Writer
Original Music Composer
