A member of British Intelligence assumes a fictitious criminal identity and allows himself to be caught, imprisoned, and freed in order to infiltrate a spy organization and expose a traitor; only, someone finds him out and exposes him to the gang...

Top Cast

Paul NewmanJoseph Rearden

Dominique SandaMrs. Smith

James MasonSir George Wheeler

Harry AndrewsMackintosh

Ian BannenRonald Slade

Michael HordernBrown

Nigel PatrickSoames-Trevelyan

Peter VaughanInspector Brunskill