Ηθοποιοί επεισοδίου
James MasonDr. John Polidori
Leonard WhitingVictor Frankenstein
David McCallumDr. Henri Clerval
Jane SeymourAgatha/Prima
Nicola PagettElizabeth Fanschawe
Michael SarrazinThe Creature
Michael WildingSir Richard Fanshawe
Clarissa Kaye-MasonLady Fanschawe (as Clarissa Kaye)
Julian BarnesYoung Man
Agnes MooreheadMrs. Blair
Margaret LeightonFrancoise DuVal
Ralph RichardsonMr. Lacey
John GielgudChief Constable
Tom BakerSea Captain