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