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...

Cast:Paul Newman, Dominique Sanda, James Mason, Harry Andrews, Ian Bannen, Michael Hordern,

Genre:Thriller,

country:United Kingdom, United States of America, Ireland,

Production:Newman-Foreman Company, Warner Bros. Pictures,