Hugh Sinclair
Simon Templar
Sally Gray
Mary Langdon
Arthur Macrae
Monty Hayward
Cecil Parker
Rudolph Hauser
Leueen MacGrath
Valerie
J
John Warwick
Gregory
Manning Whiley
Marko
Felix Aylmer
Leighton
Ivor Barnard
Emil
Gordon McLeod
Inspector Claud Teal
R
Roddy Hughes
Valet (uncredited)
E
Eric Clavering
Reporter at door (uncredited)
N
Noel Dainton
Commissaire (uncredited)