Cast
Peter van Eyck
Dr. Peter Corrie
Hans Nielsen
Immerman
George A. Cooper
Thomas Gabler
Dieter Borsche
Dr. Miller
John Junkin
Frederick (uncredited)
Anne Heywood
Anna Holt
Cecil Parker
Stevenson
Maxine Audley
Marion Fane
Jack MacGowran
Furber
Ann Sears
Stevenson's secretary
Allan Cuthbertson
Da Silva
Alister Williamson
Inspector Pike
Bernard Lee
Dr. Frank Shears
Ellen Schwiers
Ella
Siegfried Lowitz
Mr. Walters
Jeremy Spenser
Martin Holt
Bryan Pringle
Dance Hall MC (uncredited)