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