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
as Eberlin
Tom Courtenay
as Gatiss
Mia Farrow
as Caroline
Harry Andrews
as Fraser
Peter Cook
as Prentiss
Lionel Stander
as Sobakevich
Per Oscarsson
as Pavel
Barbara Murray
as Miss Vogler
Norman Bird
as Copperfield
Calvin Lockhart
as Brogue
Monika Dietrich
as Hedwig
Mike Pratt
as Greff
