Michael Caine

Philip Kimberley / Sergei Kuzminsky

Laurence Olivier

Adm. Sir Gerald Scaith

Susan George

Penelope Kimberley / Annabelle Kimberley

Robert Powell

Jamie Fraser

Charles Gray

Sir James Chorley

Morteza Kazerouni

Boris Medvachian

Michael Medwin

Milroy

Eric Sevareid

Himself

Sabine Sun

Dr. Zilenka

David Kelly

Cameron

Patrick Dawson

Ginger

Vladek Sheybal

Gen. Zorin

Peter Burton

Douglas Ransom

Maggie Rennie

Mrs. Ransom

Richard Aylen

Older Kimberley

Anthony Pullen Shaw

Matthews

Maureen Bennett

Susan

Anthony Dawson

Vicar

Peggy Marshall

Polly

John Franklyn-Robbins

English doctor

Thomas Heathcote

Gamekeeper

Matthew Scurfield

KGB man #1

Robert Austin

KGB man #2

Jana Shelden

Air hostess

Peter Hutchins

Connolly

Yuri Borienko

Russian trainer

Bill Shine

Commissionaire

David Allister

Sgt. Lloyd

Jennifer Jayne

Nurse

Ian Masters

Special Branch Man

Richard Borthwick

Policeman

Owen Brenman

Policeman

Maurice Thorogood

Policeman

Nuala Barrie

Lady in Church

P.G. Stephens

Scaith's Driver

Nigel Humphreys

Petrol Attendant

Guy Standeven

Albert, The Club Steward (uncredited)