Insurance agent-physician collects on policies of men murdered by a disfigured resident of the home for the blind where he acts as doctor-on-call.

Dr. Feodor Orloff / Prof. John Dearborn

Det. Insp. Larry Holt

Diana Stuart

Lieutenant Patrick O'Reilly

Blind Jake

Dumb Lou

Fred Grogan

Henry Stuart

Prof. John Dearborn (voice)

Police Constable Griggs