Função desconhecida
Gavin Gore
Bagley
Chalmers
Phillip Musgrave
Mr. Lang, government agent
Booth Pennock
Capt. Bibberbeigh
Col. Crawson
Sergeant (uncredited)
BBC Radio Announcer (voice) (uncredited)
G. G. Temple
Captain Griffiths (uncredited)
Dutch Military Messenger (uncredited)
Capt. Samuel Murdock
Physician (uncredited)
Lieut. Fergus McKenzie
Melling
Inspector Kendricks
Dr. Philip Gray
Plainclothesman
Oliver Jenkins
Rutledge
MacFadden
Passenger Describing His Dream
Mr. Wallingford
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