Philip Kimberly, the former head of the British Secret Service who defected to Russia, is given plastic surgery and sent back to Britain by the KGB to retrieve some vital documents. With the documents in hand, he instead plays off MI6 and the KGB against each other.
Michael Caine
as Philip Kimberley / Sergei Kuzminsky
Laurence Olivier
as Adm. Sir Gerald Scaith
Susan George
as Penelope Kimberley / Annabelle Kimberley
Robert Powell
as Jamie Fraser
Charles Gray
as Sir James Chorley
Morteza Kazerouni
as Boris Medvachian
Michael Medwin
as Milroy
Eric Sevareid
as Himself
Sabine Sun
as Dr. Zilenka
David Kelly
as Cameron
Patrick Dawson
as Ginger
Vladek Sheybal
as Gen. Zorin
