After an innocent man is executed in a case he was responsible for, a Scotland Yard superintendent finds himself investigating the murder of his key witness.

Top Cast

Sydney GreenstreetSupt. George Edward Grodman

Peter LorreVictor Emmric

Joan LorringLottie Rawson

George CoulourisSupt. John R. Buckley

Rosalind IvanMrs. Vicky Benson

Paul CavanaghClive Russell

Arthur ShieldsRev. Holbrook

Morton LowryArthur Kendall