Dr. Erasmus Craven

Vincent Price

Acting

Dr. Adolphus Bedlo

Peter Lorre

Acting

Dr. Scarabus

Boris Karloff

Acting

Lenore Craven

Hazel Court

Acting

Estelle Craven

Olive Sturgess

Acting

Rexford Bedlo

Jack Nicholson

Acting

Roderick Craven

John Dierkes

Acting

Maid

Connie Wallace

Acting

Grimes

William Baskin

Acting

Gort

Aaron Saxon

Acting

Grimes (voice) (uncredited)

Leo Gordon

Acting

Roderick Craven (uncredited)

Dick Johnstone

Acting