cast
-
Leslie Howard
Professor Horatio Smith
-
Francis L. Sullivan
General von Graum
-
Mary Morris
Ludmilla Koslowski
-
Hugh McDermott
David Maxwell
-
Raymond Huntley
Marx
-
Manning Whiley
Bertie Gregson
-
Peter Gawthorne
Sidimir Koslowski
-
Allan Jeayes
Dr Benckendorf
- Dennis Arundell Hoffman
-
Joan Kemp-Welch
School-Teacher
-
Philip Friend
Spencer
- Laurence Kitchin Clarence Elstead
-
David Tomlinson
Steve
- Basil Appleby Jock MacIntyre
- Percy Walsh Dvorak
- Suzanne Clair Salesgirl
-
Roland Pertwee
Embassy Official - Sir George Smith
-
Charles Paton
Steinhof
-
Aubrey Mallalieu
Dean
- George Street Schmidt
- Oriel Ross Lady Willoughby
-
Bryan Herbert
Jaromir
-
Arthur Hambling
Jordan
- Ben Williams Graubitz
-
Ernest Butcher
Weber
- Mary Brown Girl Student
- W. Phillip Innkeeper
- Ilse Bard Gretchen
- Ernest Verne German Officer
- Hector Abbas Karl Meyer
- Neal Arden Second Prisoner
- Richard George Prison Guard
- Roddy Hughes Zigor
-
Hugh Pryse
Wagner
-
Michael Brennan
Camp Guard with Lantern
- Elwyn Brook-Jones Bit Part
-
Sebastian Cabot
Bit Role
- Peter Cozens Man
- Arthur Denton Gestapo Man Following Smith
-
Irene Handl
Bit Part
- Vincent Holman Doctor at Diggings
-
Ronald Howard
Minor Role
-
Stuart Latham
Telephone Operator
-
Michael Rennie
Prison Camp Officer
- Charles Rolfe German Officer at Customs
-
John Slater
Reporter
-
Harry Terry
Camp Guard
-
A.E. Matthews
Earl of Meadowbrook