Boo

Mae Clarke

Elizabeth (edited from "Frankenstein")

Lawrence Grant

Crosby (edited from "The Cat Creeps")

Raymond Hackett

Paul (edited from "The Cat Creeps")

Elizabeth Patterson

Susan (edited from "The Cat Creeps")

Max Schreck

Dracula-Nosferatu (edited from "Nosferatu")

Helen Twelvetrees

Annabelle West (edited from "The Cat Creeps")

Edward Van Sloan

Dr. Waldman (edited from "Frankenstein")

Gustav von Wangenheim

Hutter (edited from "Nosferatu")

Boris Karloff

Frankenstein's Monster (edited from "Frankenstein")