Udo Kier as Dr. Henry Jekyll

Marina Pierro as Miss Fanny Osbourne

Gérard Zalcberg as Mr. Hyde

Patrick Magee as General

Howard Vernon as Dr. Lanyon

Clément Harari as Reverend Donald Regan

Jean Mylonas as Mr. Utterson

Eugene Braun Munk as Mr. Enfield

Louis Colla as Mr. Maw

Catherine Coste as Mrs. Enfield

Rita Maiden as Lady Osbourne, Fanny's mother

Michèle Maze as

Agnès Daems as Charlotte Carew, the General's daughter

Magali Noaro as Victoria Enfield, the young dancer

Dominique Andersen as

Isabelle Cagnat as Little girl

Gisèle Préville as Dr. Jekyll's mother