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