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