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