Harry Palmer

Johnnie Vulkan

Colonel Stok

Samantha Steel

Ross

Hallam

Aaron Levine

Werner

Reinhardt

Kreutzman

Artur

Benjamin

Mrs. Ross

Rukel

Chico

Babcock

Black Widow

Monica

Old Man

Alice (uncredited)

Lady on the London Bus (uncredited)

Commuter (uncredited)

Bar Girl (uncredited)

Brigit (uncredited)

East German Guard (uncredited)