James Stephenson

Dr. Paul Venner

Acting

Geraldine Fitzgerald

Dr. Mary Murray

Acting

Donald Crisp

Dr. Drewett

Acting

Barbara O'Neil

Miss Leeming

Acting

Montagu Love

Dr. Blake

Acting

Sig Ruman

Professor Herman Von Reiter

Acting

G.P. Huntley

Dr. Thornton

Acting

Richard Ainley

Dr. Hale

Acting

Bruce Lester

Dr. Bentley

Acting

Leonard Mudie

Mr. Tom Foster

Acting

Doris Lloyd

Mrs. Foster

Acting

Frank Reicher

Dr. Esterhazy

Acting

Hermine Sterler

Miss Hoffman

Acting

Billy Bevan

Chivers

Acting

Clare Verdera

Miss Dennis

Acting

Crauford Kent

Dr. Corliss

Acting

Alec Craig

Jeweler

Acting

Mary Taylor

Mrs. Kent a Patient (uncredited)

Acting

Bette Davis

Acting