Pasteur
Guitry reprises his role as Pasteur which he played successfully at the Vaudeville Theatre in 1919.
Reparto
Sacha Guitry
Louis Pasteur
Jean Périer
Doctor
Gaston Dubosc
President of the Academy of Medicine
Maurice Schutz
Grandfather
José Squinquel
Émile Roux
André Marnay
Doctor
Pierre Labry
Doctor
Henry Bonvallet
Sadi Carnot, President of the Republic
Louis Gauthier
Poggiale
Armand Lurville
The first witness
François Rodon
Little Joseph Meister
Louis Maurel
Jules Guérin
Julien Bertheau
Student (uncredited)
Charles Vissières
Frémy, old doctor (uncredited)
Pierre Huchet
Servant (uncredited)
Camille Beuve
Joseph Lister (uncredited)