Cast
Director
Marco Leto
Giorgio Albertazzi as Philo Vance
Mico Cundari as Chester Greene
Micaela Esdra as Ada Greene
Anna Maria Gherardi as Sibilla Greene
Elena Zareschi as Mrs. Greene
Sergio Rossi as Markham
Marco Tulli as Sproot
Mario Avogadro as Rex Greene
Silvio Anselmo as Heath
Andrea Lala as Dr. Von Bloon
Tino Bianchi as Mr. Ross