James Mason
Dr. John Polidori
Leonard Whiting
Victor Frankenstein
David McCallum
Dr. Clervall
Jane Seymour
Agatha / Prima
Nicola Pagett
Elizabeth Fanschawe
Michael Sarrazin
The Creature
Michael Wilding
Sir Richard Fanshawe
Clarissa Kaye-Mason
Lady Fanschawe
Agnes Moorehead
Mrs. Blair
Margaret Leighton
Francoise DuVal
Ralph Richardson
Mr. Lacey
John Gielgud
Chief Constable
Yootha Joyce
Hospital Matron