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
Nigel De Brulier
Autopsy Surgeon (uncredited)
George Rosener
Dr. Von Bergman