Anton Ragatzy

George Sanders

Lalage Sturdee

Mary Maguire

Cameraman

Bernard Lee

Cured Patient

Wilfrid Hyde-White

Cured Child

Roddy McDowall

Wendy

Barbara Blair

Basil Owen

Peter Murray-Hill

Joseph Sturdee

Frederick Leister

Dr. Helmore

Walter Hudd

Mrs. Coates

Kathleen Harrison

Sir Montague Tollemach

Kynaston Reeves

Dr. Ladd

Edmund Breon

Sir Nathan Israel

Ralph Truman

Director

Paul L. Stein

Story

Dorothy Brandon

Writer

Dudley Leslie

Producer

Walter C. Mycroft

Editor

Flora Newton

Art Direction

Cedric Dawe

Director of Photography

Günther Krampf

Original Music Composer

Kenneth Leslie-Smith