Giancarlo Giannini as Tullio Hermil

Laura Antonelli as Giuliana Hermil

Rina Morelli as Tullio's Mother

Massimo Girotti as Count Stefano Egano

Didier Haudepin as Federico Hermil

Marie Dubois as The Princess

Roberta Paladini as Miss Elviretta

Claude Mann as The Prince

Marc Porel as Filippo d'Arborio

Jennifer O'Neill as Teresa Raffo

Philippe Hersent as

Elvira Cortese as

Siria Betti as

Enzo Musumeci Greco as Maestro d'Armi

Alessandra Vazzoler as

Marina Pierro as Maria

Vittorio Zarfati as Dr. Milani

Alessandro Consorti as

Filippo Perego as

Margherita Horowitz as

Riccardo Satta as

Giuliana Farnese as Party Guest (uncredited)

Robert Milicevic as Private Investigator (uncredited)

Howard Nelson Rubien as Party Guest (uncredited)