as Lieut. Fergus McKenzie
as G. G. Temple
as Capt. Samuel Murdock
as Henderson
as Captain Griffiths (uncredited)
as Pilot (uncredited)
as Dr. Philip Gray
as Leicester
as Dr. McBain
as Booth Pennock
as Captain Perry (Uncredited)
as Phillip Musgrave
as Melling
as Physician (uncredited)
as Dutch Military Messenger (uncredited)
as Mr. Lang, government agent
as Chalmers
as Captain (uncredited)
as Col. Crawson
as Maj. Lee - Doctor (uncredited)
as Capt. Bibberbeigh
as Sergeant (uncredited)
as BBC Radio Announcer (voice) (uncredited)
as Inspector Kendricks
as Major Severn
as Astrologer
as Nazi Major
as Herr Joyce / Lord Haw-Haw
as Prentiss Johns
as Madden
as Gavin Gore
as Capt. Strong
as William Forsythe
as Weldon Laydon
as Bagley
as Herbert Evans
as Dr. Barth
as Lord J.B. Abbington
as Herbert Willett
as Karl
as Editor Richard Daniels
as Redman
as Passenger Describing His Dream
as Oliver Jenkins
as Plainclothesman
as Mr. Wallingford
as Harry
as MacFadden
as Rutledge
