Cast
Geoffrey Copleston
Archibald Gold
Paolo Villaggio
Dr. Jekyll / Mr Hyde
Guerrino Crivello
Student
Alfonso Giganti
Industrialist (uncredited)
Giuseppe Marrocco
PANTAC Board Member (uncredited)
Alessandro Tedeschi
Professor introducing Jekyll (uncredited)
Luciano Zanussi
PANTAC Board Member (uncredited)
Fulvio Mingozzi
PANTAC Board Member (uncredited)
Gordon Mitchell
Pretorius
Francesco Anniballi
Henchman
Angelo Boscariol
PANTAC Board Member (uncredited)
Luciano Foti
Class Member (uncredited)
Edwige Fenech
Barbara Wimply
Gianrico Tedeschi
James / Jeeves
Paolo Paoloni
Professor
Eolo Capritti
Henchman
Clemente Ukmar
Henchman