Lionel Barrymore
Prof. Leroy
Jacqueline Gadsden
Mary Lyle
Charles Delaney
Matt Gray
Fred Kelsey
Det. Shaw
Polly Moran
Polly
Lucy Beaumont
Woman strangled at mansion
Sôjin Kamiyama
Minor Role
Napoleon the Dog
The Dog
Douglas Furber
Screenplay, Story
Chester M. Franklin
Story, Screenplay, Director
Edward T. Lowe Jr.
Writer
