Cast
Dane Clark
Bill Casey
Marius Goring
Commandant Anton Razinski
Eric Pohlmann
Joe - the bartender
John Horsley
Customs Officer
Emile Stemmler
Soldier at Station Checkpoint (uncredited)
Jill Balcon
Wardress (uncredited)
Anton Diffring
Officer at Station (uncredited)
John G. Heller
Soldier at Station Check Point (uncredited)
Wilfrid Hyde-White
Mr. Luke
Gladys Henson
Attendant
Anthony Newley
Operator (uncredited)
Dinah Sheridan
Train Passenger at Checkpoint (uncredited)
Naunton Wayne
Mr. Hedgerley
John Gabriel
Night Field Telephone Officer (uncredited)
Ewen Solon
Enemy Scientist (uncredited)
Patric Doonan
Customs Man
Eugene Deckers
Alf
Olaf Pooley
Detective-Interrogator
Michael Hordern
Lab Director Owens
Ernest Butcher
Tom - Lab Assistant (uncredited)
Sam Kydd
Customs Man (uncredited)
Margaret Lockwood
Frances Gray
Paul Hardtmuth
Priest
George Benson
Sandwich Stand Customer
Philo Hauser
Waiter (uncredited)
Richard Marner
Soldier on Train (uncredited)