Michael Caine
Harry Palmer
Paul Hubschmid
Johnnie Vulkan
Oskar Homolka
Colonel Stok
Eva Renzi
Samantha Steel
Guy Doleman
Ross
Hugh Burden
Hallam
Heinz Schubert
Aaron Levine
Wolfgang Völz
Werner
Thomas Holtzmann
Reinhardt
Günter Meisner
Kreutzman
Herbert Fux
Artur
Rainer Brandt
Benjamin
Rachel Gurney
Mrs. Ross
John Abineri
Rukel
David Glover
Chico
Sarah Brackett
Babcock
Charlotte Brummerhoff
Black Widow
Ira Hagen
Monica
Erhart Stettner
Old Man
Freda Bamford
Alice (uncredited)
Pauline Chamberlain
Lady on the London Bus (uncredited)
Patrick Halpin
Commuter (uncredited)
Ursula Heyer
Bar Girl (uncredited)
Marthe Keller
Brigit (uncredited)
Edward Meeks
East German Guard (uncredited)