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

Tom Baker

Sea Captain

Clarissa Kaye-Mason

Lady Fanschawe

Agnes Moorehead

Mrs. Blair

Margaret Leighton

Francoise DuVal

Ralph Richardson

Mr. Lacey

John Gielgud

Chief Constable

Peter Sallis

Priest

Yootha Joyce

Hospital Matron

Dallas Adams

Felix

Julian Barnes

Young Man

Karl Howman

William Frankenstein