Fernando Casanova
Dr. Michael Malthus / Dr. John Malthus [billed as Rock Madison]
Sonia Furió
Beth
Katherine Victor
Mrs. Roger Vernon
Robert Christopher
Det. Lt. Ed Jamieson
Fred Hoffman
Detective Sergeant
Aurora Alvarado
Frieda the Maid, a victim
Rosa Maria Gallardo
Miss Benson, a victim
Bruno VeSota
19th Century Police Inspector
