Cast

Margaret Lockwood

Frances Gray



Dane Clark

Bill Casey



Marius Goring

Commandant Anton Razinski



Naunton Wayne

Mr. Hedgerley



Wilfrid Hyde-White

Mr. Luke



Eugene Deckers

Alf



Olaf Pooley

Detective-Interrogator



Gladys Henson

Attendant



Paul Hardtmuth

Priest



Michael Hordern

Lab Director Owens



George Benson

Sandwich Stand Customer



Eric Pohlmann

Joe - the bartender



John Horsley

Customs Officer



Patric Doonan

Customs Man



Joan Haythorne

Judy



Jill Balcon

Wardress (uncredited)



Hyma Beckley

Café Mimosa Patron (uncredited)



John Boxer

Police Sergeant at Customs Café (uncredited)



Ernest Butcher

Tom - Lab Assistant (uncredited)



Daniel Brown

Train Passenger (uncredited)



Robert Cawdron

Soldier at Station Checkpoint (uncredited)



Anton Diffring

Officer at Station (uncredited)



Toni Frost

Stewardess (uncredited)



John Gabriel

Night Field Telephone Officer (uncredited)



Charles Hammon

Train Passenger in Platform Line-up (uncredited)



Philo Hauser

Waiter (uncredited)



John G. Heller

Soldier at Station Check Point (uncredited)



Noel Johnson

Frank Conway (uncredited)



Sam Kydd

Customs Man (uncredited)



Richard Marner

Soldier on Train (uncredited)



Louis Matto

Café Mimosa Waiter (uncredited)



Anthony Newley

Operator (uncredited)



Michael Ritterman

The ‘Tail’ (uncredited)



Lance Secretan

Alan (uncredited)



Dinah Sheridan

Train Passenger at Checkpoint (uncredited)



Ewen Solon

Enemy Scientist (uncredited)



Emile Stemmler

Soldier at Station Checkpoint (uncredited)



Robert Vossler

Day Sentry at First Checkpoint (uncredited)



John Wilder

Customs Officer (uncredited)



Billy Wilmot

Café Mimosa Customer (uncredited)