Top Billed Cast

1. 

   Pierre Fresnay

   Professor Louis Delage

2. 

   Renée Devillers

   Florence Delage

3. 

   Claire Duhamel

   Catherine Delage

4. 

   Marcel André

   Doctor Charles Tannard

5. 

   Nadine Alari

   Yvette

6. 

   Roland Alexandre

   Jacques Brulages

7. 

   Pierre Destailles

   Gaston Berval

8. 

   Michel Vadet

   Doctor Larmy

9. 

   Christiane Barry

   Jacqueline

10. 

    Georgette Anys

    Mrs. Berval

11. 

    Philippe Mareuil

    Georges

12. 

    Jean-Claude Pascal

    Marcillac

13. 

    Maurice Ronet

    François

14. 

    Claude Nicot

    Barby

15. 

    Madeleine Barbulée

    Marie-Laure

16. 

    Robert Moor

    Professor Peccavi

17. 

    Ky Duyen

    Chang, butler

18. 

    Émile Genevois

    Gaston's friend

19. 

    Raymond Galle

    Doctor

20. 

    Bernard Hubrenne

    Student

21. 

    Catherine Romane

    Paulette

22. 

    Georgette Talazac

    Nurse

23. 

    Claire Muriel

    Patient

24. 

    Christian Fourcade

    Émile

25. 

    Serge Lecointe

    Young Albert

26. 

    Elisa Lamotte

    Lady of Orléans

27. 

    Marguerite Garcya

    Mrs. Martin

28. 

    Tania Soucault

    Jacky

29. 

    Judith Magre

30. 

    Perrette Darbon

31. 

    Bernard Musson

    Assistant to Doctor Delage (uncredited)

32. 

    Julien Maffre

    Patient (uncredited)

33. 

    Jacques Monod

    Gendarme (uncredited)

34. 

    Dominique Marcas

    (uncredited)

35. 

    Frédérique Hébrard

    (uncredited)

36. 

    Nadine Bellaigue

    (uncredited)

37. 

    Anne Béranger

    (uncredited)

38. 

    Henri Doublier

    (uncredited)

39. 

    Maguy Horiot

    (uncredited)

40. 

    Alain Raffael

    (uncredited)

41. 

    Joëlle Robin

    (uncredited)

42. 

    Jean Thielment

    (uncredited)