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.

• Evangrove
• Michael Caine
• Laurence Olivier
• Susan George
• Robert Powell
• Charles Gray
• Morteza Kazerouni
• Michael Medwin
• Eric Sevareid