Marcello Mastroianni
Curzio Malaparte
Claudia Cardinale
Principessa Consuelo Caracciolo
Burt Lancaster
Generale Clark
Alexandra King
Deborah Wyatt
Carlo Giuffrè
Eduardo Mazzullo
Rosaria della Femmina
Amante di Jimmy
Jeanne Valérie
Principessa a Capri
Liliana Tari
Maria Concetta
Cristina Donadio
Amica di Anna
Jacques Sernas
Gen Guillaume
Giovanni Crosio
Padre di Maria Concetta
Tomas Arana
U.S. Soldier (uncredited)
Omero Capanna
Man waving flag (uncredited)
Richard E. Carr
Pvt. Kaminsky (uncredited)
Marvin I. Cohen
Veterinarian (uncredited)
Gabriella Di Luzio
Zelmira (uncredited)
Bruno Parisio
(uncredited)
Steve Reardon
(uncredited)
Anna Walter
Mistress (uncredited)