Alias the Doctor

Richard Barthelmess

Karl Brenner

Marian Marsh

Lotti Brenner

Norman Foster

Stephan Brenner

Adrienne Dore

Anna

Lucille La Verne

Martha Brenner, Karl's foster mother (as Lucille LaVerne)

John St. Polis

Dr. Niergardt

George Rosener

Dr. Von Bergman

Nigel De Brulier

Autopsy Surgeon (uncredited)