Top Billed Cast

1. 

   Robert Lamoureux

   Robert Langlois, law student

2. 

   Fernand Ledoux

   Fernand Langlois, father, professor

3. 

   Gaby Morlay

   Gabrielle Langlois, mother

4. 

   Nicole Courcel

   Catherine Liseray, young neighbor

5. 

   Louis de Funès

   Mr. Calomel, neighbor on the floor above

6. 

   Gaston Modot

   Street violinist

7. 

   Madeleine Barbulée

   Marie-Louise, first maid

8. 

   Yolande Laffon

   Madeleine Sautaupain, Mom's friend

9. 

   Robert Rollis

   Léon “Alibi”, friend of Robert

10. 

    Sophie Sel

    Student of Mr. Langlois

11. 

    Dominique Davray

    Neighborhood butcher

12. 

    Françoise Hornez

    Nicole

13. 

    Judith Magre

    Germaine, secretary

14. 

    Alix Mahieux

    Little Sylvie

15. 

    Sophie Mallet

    Maid

16. 

    Jany Vallières

    Second comrade

17. 

    Albert Michel

    Prompter at the performance

18. 

    Claude Castaing

19. 

    René-Jean Chauffard

    Neighbor of the building

20. 

    René Fleur

    Notary

21. 

    Robert Le Béal

    Amateur

22. 

    Jacques Marin

    Gaston, neighbor on the sixth floor, under the roofs

23. 

    Jean Tissier

    Maître Pillat, of the council of the bar association

24. 

    Martine Cuhaciender

    Little Sylvie (uncredited)

25. 

    Léon Arvel

    Parent (uncredited)

26. 

    Charles Bayard

    (uncredited)

27. 

    Paul Bisciglia

    Tenant on the sixth floor, under the roof (uncredited)

28. 

    Christian Brocard

    Comrade of Léon (uncredited)

29. 

    Marcel Charvey

    Man who separates from his wife (uncredited)

30. 

    Yvonne Constant

    (uncredited)

31. 

    Henri Coutet

    (uncredited)

32. 

    Hubert Deschamps

    Spectator who didn't have dinner (uncredited)

33. 

    Édouard Francomme

    Un voisin célibataire (uncredited)

34. 

    Benoîte Labb

    (uncredited)

35. 

    Jean-Paul Le Chanois

    Spectateur (« Je ne vous dit rien ») (uncredited)

36. 

    Dominique Marcas

    Henriette (uncredited)

37. 

    Bernard Musson

    Spectator came to criticize (uncredited)

38. 

    Gaëtan Noël

    (uncredited)

39. 

    Laure Paillette

    Spectator with the bulky hair (uncredited)

40. 

    Francia Seguy

    (uncredited)

41. 

    Paul Villé

    Uncle (uncredited)

42. 

    André Wasley

    (uncredited)

43. 

    Fabien Loris

    (uncredited)