Anne Heywood
Anna Holt
Acting
Peter van Eyck
Dr. Peter Corrie
Acting
Cecil Parker
Stevenson
Acting
Bernard Lee
Dr. Frank Shears
Acting
Ellen Schwiers
Ella
Acting
Siegfried Lowitz
Mr. Walters
Acting
Hans Nielsen
Immerman
Acting
Jeremy Spenser
Martin Holt
Acting
Maxine Audley
Marion Fane
Acting
Jack MacGowran
Furber
Acting
Miles Malleson
Dr. Miller
Acting
George A. Cooper
Thomas Gabler
Acting
Dieter Borsche
Dr. Miller
Acting
Ann Sears
Stevenson's secretary
Acting
Irene Richmond
Mrs. Gabler
Acting
Allan Cuthbertson
Da Silva
Acting
Bandana Das Gupta
Miss Soong
Acting
Alister Williamson
Inspector Pike
Acting
Patsy Rowlands
Young Woman at Dance Hall (uncredited)
Acting
Bryan Pringle
Dance Hall MC (uncredited)
Acting