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