Marcello Mastroianni
Marcello Polletti
Ursula Andress
Caroline Meredith
George Wang
Chinese Attacker
Anita Sanders
Relaxatorium Girl (uncredited)
Pier Paolo Capponi
Terrace Snack Bar Manager (uncredited)
Jacques Herlin
Masoch Club Manager (uncredited)
Wolfgang Hillinger
Baron von Richtofen (uncredited)
Mickey Knox
Chet (uncredited)
Gino Pernice
Hunter (uncredited)
Massimo Righi
Journalist (uncredited)
Giovanni Ivan Scratuglia
Priest in Aeroplane (uncredited)