Top Billed Cast

1. 

   Jean-Louis Trintignant

   Marcello Clerici

2. 

   Stefania Sandrelli

   Giulia

3. 

   Gastone Moschin

   Manganiello

4. 

   Dominique Sanda

   Anna Quadri

5. 

   Enzo Tarascio

   Professor Quadri

6. 

   Fosco Giachetti

   The Colonel

7. 

   José Quaglio

   Italo Montanari

8. 

   Yvonne Sanson

   Giulia's Mother

9. 

   Milly

   Marcello's Mother

10. 

    Antonio Maestri

    Confessor

11. 

    Alessandro Haber

    Drunk Blind Man

12. 

    Luciano Rossi

    Blind Blond

13. 

    Massimo Sarchielli

    Blind Man

14. 

    Pierangelo Civera

    Franz

15. 

    Giuseppe Addobbati

    Marcello's Father

16. 

    Christian Aligny

    Raoul

17. 

    Carlo Gaddi

    Hired Killer

18. 

    Umberto Silvestri

    Hired Killer

19. 

    Furio Pellerani

    Hired Killer

20. 

    Luigi Antonio Guerra

21. 

    Orso Maria Guerrini

22. 

    Pasquale Fortunato

    Young Marcello

23. 

    Pierre Clémenti

    Pasqualino 'Lino' Semirama

24. 

    Sergio Graziani

    Marcello Clerici (voice)

25. 

    Rita Savagnone

    Anna (voice)

26. 

    Arturo Dominici

    The Colonel (voice)

27. 

    Giuseppe Rinaldi

    Italo (voice)

28. 

    Lydia Simoneschi

    Giulia's Mother (voice)

29. 

    Gianni Amico

    Pupil Prof. Quadri (uncredited)

30. 

    Joel Barcellos

    Pupil Prof. Quadri (uncredited)

31. 

    Christian Belaygue

    Gipsy (uncredited)

32. 

    Benedetto Benedetti

    Minister (uncredited)

33. 

    Claudio Cappeli

    Hired Killer (uncredited)

34. 

    Romano Costa

    Man Opening the Door (uncredited)

35. 

    Marilyn Goldin

    Flower Seller (uncredited)

36. 

    Marta Lado

    Marcello's Daughter (uncredited)

37. 

    Giorgio Pelloni

    Pupil Prof. Quadri (uncredited)

38. 

    Filippo Perego

    Man in Elevator (uncredited)

39. 

    Gino Vagniluca

    Secretary (uncredited)