A veteran Russian spy is brought out of retirement to be sent to the West to do an important sabotage job. However, he finds himself falling in love with an attractive British double agent.
Lorne Greene
as Peter Vanin
Rachel Roberts
as Megan Thomas
Anthony Quayle
as Col. Malendin
James Donald
as Sir Martin Rolfe
Harry Andrews
as Gen. Kirk
Patrick Magee
as John Flack
Patrick Newell
as Julius Bates
Raymond Huntley
as Supt. Pode
Olaf Pooley
as Igor Trubenoff
Janina Faye
as Elena Vanin
Josephine Stuart
as Elizaveta
Angela Pleasence
as Peace Girl