Schoolteacher William Potts is the double of a captured German spy, so he is sent to Germany by British Intelligence to obtain the plans of a new secret weapon, causing chaos in a Hitler Youth school in the process.
William Potts / Muller
Professor Hoffman
General Von Glotz
Max
Kurt
Krauss
Hans
Lena
Vogel
A.D.C.
Schmidt
Rector
Maj. Bishop
Col. Truscott
British Pilot
MI5 Man (uncredited)
Detective Carter (uncredited)
German Soldier on Train
German Pilot
SS Guard
German Officer at Station
Airport Official
Member of the General Staff
Passenger Arrested on Train
Train Passenger
1st Observer (uncredited)
SS Guard (uncredited)
Detective Evans (uncredited)
SS Officer on Train (uncredited)
