Giorgio Albertazzi
Philo Vance
Mico Cundari
Chester Greene
Micaela Esdra
Ada Greene
Anna Maria Gherardi
Sibilla Greene
Elena Zareschi
Mrs. Greene
Sergio Rossi
Markham
Marco Tulli
Sproot
Mario Avogadro
Rex Greene
Silvio Anselmo
Heath
Varo Soleri
Currie
Nais Lago
Ms. Hemming
Andrea Lala
Dr. Von Bloon
Tino Bianchi
Mr. Ross
Renata Bernardini
Alice Barton
Gino Nelinti
Mr. Snitkin