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.
Laurence Harvey
Tom Courtenay
Mia Farrow
Harry Andrews
Peter Cook
Lionel Stander
Per Oscarsson
Barbara Murray
Norman Bird
Calvin Lockhart
Monika Dietrich
Mike Pratt
Richard O'Sullivan