Characters played by Boris Karloff
Dr. Julian Blair
Characters played by Richard Fiske
Dr. Richard Sayles
Characters played by Amanda Duff
Anne Blair
Characters played by Anne Revere
Mrs. Blanche Walters
Characters played by Cy Schindell
Karl
Characters played by Dorothy Adams
Mrs. Marcy
Characters played by Walter Baldwin
Seth Marcy
Characters played by Kenneth MacDonald
Sheriff Ed Willis
Characters played by Shirley Warde
Helen Blair