Alain Delon
Daniele Dominici
Sonia Petrovna
Vanina Abati
Giancarlo Giannini
Giorgio Mosca aka 'Spider'
Alida Valli
Marcella Abati - Vanina's mother
Adalberto Maria Merli
Gerardo Favani
Salvo Randone
professeur Porra
Fabrizio Moroni
Fabrizio Romani
Sandro Moretti
Leo Montanari
Carla Mancini
Female Student
Pino Ammendola
Ragazzo in discoteca (uncredited)
Liana Del Balzo
Signora Dominici, Daniele's mother (uncredited)
Krista Nell
Martine - the girl reading Daniele's palm (uncredited)
Maria Tedeschi
The Bespectacled Lady at the Funeral (uncredited)