Cast
Robert Foxworth
Dr. Victor Frankenstein
Susan Strasberg
Elizabeth Lavenza
Bo Svenson
Monster
John Karlen
Otto Roget
Leif Garrett
Boy Who Runs from The Giant (uncredited)
Philip Bourneuf
Alphonse Frankenstein
William Hansen
Prof. Waldman
George Morgan
Hugo
Brian Avery
Felix de Lacey
Heidi Vaughn
Agatha de Lacey
Robert Gentry
Henri Clerval
Jon Lormer
Charles de Lacey
Willie Aames
William Frankenstein
Peter Sallis
Man (uncredited)