Laurence Harvey, Tom Courtenay, Mia Farrow, Harry Andrews, Peter Cook, Lionel Stander, Per Oscarsson, Barbara Murray, Norman Bird, Calvin Lockhart
Laurence Harvey, Anthony Mann
Double-agent Alexander Eberlin is assigned by the British to hunt out a Russian spy, known to them as Krasnevin. Only Eberlin knows that Krasnevin is none other than himself! Accompanying him on his mission is a ruthless partner, who gradually discovers his secret as Eberlin tries to maneuver himself out of a desperate situation.