Gavin Muir

as Mr. Wallingford

as Dr. Philip Gray

as Chalmers

as BBC Radio Announcer (voice) (uncredited)

as Capt. Samuel Murdock

as Pilot (uncredited)

as Captain (uncredited)

as Phillip Musgrave

as Mr. Lang, government agent

as Lieut. Fergus McKenzie

as Leicester

as Capt. Bibberbeigh

as Melling

as Sergeant (uncredited)

as Father Kyle

as Gavin Gore

as Nazi Major

as Dutch Military Messenger (uncredited)

as Bagley

as Booth Pennock

as Captain Griffiths (uncredited)

as Inspector Kendricks

as Dr. McBain

as Oliver Jenkins

as G. G. Temple

as Passenger Describing His Dream

as Col. Crawson

as Physician (uncredited)

as Captain Perry (Uncredited)

as Maj. Lee - Doctor (uncredited)

as Editor Richard Daniels

as Capt. Strong

as Astrologer

as Herr Joyce / Lord Haw-Haw

as Harry

as Henderson

as Karl

as Rutledge

as Weldon Laydon

as William Forsythe

as Madden

as Plainclothesman

as Lord J.B. Abbington

as Herbert Willett

as Major Severn

as Prentiss Johns

as Dr. Barth

as Redman

as Herbert Evans