Générique complet
Jack the Ripper
Boris Karloff
Host / Capt. John Elwood / Jonas Atterbury / Dr. Francis Mason
Harry Bartell
Edward Paige
Thomas Browne Henry
Blue
Kay Stewart
Ruth Elwood
Paul Bryar
Police Lt. Davis
GT
Gretchen Thomas
Elizabeth Foley
Tudor Owen
Capt. Barney
DA
Dorothy Allison
Judith
Russ Bender
Calvin Logan
Niall MacGinnis
Walter
