On screen
Cast
29 credited performers
Will Hay
William Potts / Muller
Frank Pettingell
Professor Hoffman
Julien Mitchell
General Von Glotz
Charles Hawtrey
Max
Barry Morse
Kurt
Peter Ustinov
Krauss
Artwork unavailable
Peter Croft
Hans
Anne Firth
Lena
Artwork unavailable
Leslie Harcourt
Vogel
Jeremy Hawk
A.D.C.
Raymond Lovell
Schmidt
Aubrey Mallalieu
Rector
John Williams
Maj. Bishop
Artwork unavailable
Lawrence O'Madden
Col. Truscott
Artwork unavailable
John Boxer
British Pilot
Artwork unavailable
Clifford Buckton
MI5 Man (uncredited)
Arthur Denton
Detective Carter (uncredited)
Leslie Dwyer
German Soldier on Train
Artwork unavailable
Richard George
German Pilot
Walter Gotell
SS Guard
William Hartnell
German Officer at Station
Bryan Herbert
Airport Official
Artwork unavailable
Vincent Holman
Member of the General Staff
Charles Paton
Passenger Arrested on Train
Lloyd Pearson
Train Passenger
Johnnie Schofield
1st Observer (uncredited)
Harry Terry
SS Guard (uncredited)
Artwork unavailable
Jack Vyvyan
Detective Evans (uncredited)
Artwork unavailable
H Victor Weske
SS Officer on Train (uncredited)