Giancarlo Giannini
— Tullio Hermil
Laura Antonelli
— Giuliana Hermil
Rina Morelli
— Tullio's Mother
Massimo Girotti
— Count Stefano Egano
Didier Haudepin
— Federico Hermil
Marie Dubois
— The Princess
Roberta Paladini
— Miss Elviretta
Claude Mann
— The Prince
Marc Porel
— Filippo d'Arborio
Jennifer O'Neill
— Teresa Raffo
Philippe Hersent
Elvira Cortese
Siria Betti
Enzo Musumeci Greco
— Maestro d'Armi
Alessandra Vazzoler
Marina Pierro
— Maria
Vittorio Zarfati
— Dr. Milani
Alessandro Consorti
Filippo Perego
Margherita Horowitz
Riccardo Satta
Giuliana Farnese
— Party Guest (uncredited)
Robert Milicevic
— Private Investigator (uncredited)
Howard Nelson Rubien
— Party Guest (uncredited)