Dr. John Polidori
James Mason
Dr. Victor Frankenstein
Leonard Whiting
The Creature
Michael Sarrazin
Dr. Henry Clerval
David McCallum
Agatha / Prima
Jane Seymour
Mr. Lacey
Ralph Richardson
Elizabeth Fanschawe
Nicola Pagett
Sea Captain
Tom Baker
Chief Constable (Police)
John Gielgud
Clarissa Kaye
Sir Richard Fanshawe
Michael Wilding
Francoise DuVal
Margaret Leighton
Lady Fanschawe
Clarissa Kaye-Mason
Mrs. Blair
Agnes Moorehead
Sir Richard Fanshawe
Michael Wilding, Sr.
Priest
Peter Sallis
Hospital Matron
Yootha Joyce
Felix
Dallas Adams
Young Man
Julian Barnes