Riven

James Mason

as Dr. John Polidori

Leonard Whiting

as Victor Frankenstein

David McCallum

as Dr. Henri Clerval

Jane Seymour

as Agatha/Prima

Nicola Pagett

as Elizabeth Fanschawe

Michael Sarrazin

as The Creature

Michael Wilding

as Sir Richard Fanshawe

Clarissa Kaye-Mason

as Lady Fanschawe (as Clarissa Kaye)

Julian Barnes

as Young Man

Agnes Moorehead

as Mrs. Blair

Margaret Leighton

as Francoise DuVal

Ralph Richardson

as Mr. Lacey

John Gielgud

as Chief Constable

Tom Baker

as Sea Captain

Arnold Diamond

as Passenger in Coach

Yootha Joyce

as Hospital Matron

Peter Sallis

as Priest

Dallas Adams

as Felix

Derek Deadman

as 1st Seaman (uncredited)

Paddy Joyce

as 1st Helper (uncredited)

Norman Rossington

as Seaman (uncredited)

Elizabeth Spender

as Ballroom Guest (uncredited)

Jeremy Young

as 2nd Helper (uncredited)