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