Joseph Cotten

Baron Frankenstein

Rosalba Neri

Tania Frankenstein

Paul Müller

Dr. Charles Marshall

Herbert Fux

Tom Lynch

Renate Kasché

Julia Black

Mickey Hargitay

Captain Harris

Lorenzo Terzon

Harris' assistant

Andrea Aureli

Jim Turner

Ada Pometti

Sara Willis

Joshua Sinclair

John

Richard Beardley

Simon Burke

Petar Martinovitch

Jack Morgan

Herb Andress

Hunchback

Marino Masé

Thomas Stack (as Peter Whiteman)

Adam Welles

Child

Mel Welles

Aureliano Luppi