Michael Caine
Maj. John Tarrant
Acting
Donald Pleasence
Cedric Harper
Acting
Delphine Seyrig
Ceil Burrows
Acting
Clive Revill
Alf Chestermann
Acting
John Vernon
McKee
Acting
Joss Ackland
Chief Supt. Wray
Acting
Janet Suzman
Alex Tarrant
Acting
Catherine Schell
Lady Melissa Julyan
Acting
Joseph O'Conor
Sir Edward Julyan
Acting
Denis Quilley
Bateson
Acting
Derek Newark
Monitoring Policeman
Acting
Edward Hardwicke
Mike McCarthy
Acting
Maureen Pryor
Jane Harper
Acting
Joyce Carey
Miss Monley
Acting
Preston Lockwood
Ilkeston
Acting
Molly Urquhart
Margaret
Acting
David Daker
MI5 Man
Acting
Hermione Baddeley
Hetty
Acting
Patrick Barr
Gen. St. John
Acting
Yves Afonso
Jacques (uncredited)
Acting
Del Baker
Shadow (uncredited)
Crew
Murray Brown
Doctor (uncredited)
Acting
Les Conrad
M15 Man (uncredited)
Acting
George Lane Cooper
Pincus (uncredited)
Acting
Brenda Cowling
Secretary (uncredited)
Acting
Robert Dorning
Jeweller (uncredited)
Acting
Roy Everson
M15 Man (uncredited)
Acting
Nancy Gabrielle
Manageress (uncredited)
Acting
Jill Goldston
Commuter (uncredited)
Acting
Charlie Gray
Tourist (uncredited)
Acting
Peter Halliday
Customs Officer (uncredited)
Acting