A scientist who have discovered how to turn salt water into petrol dies before he has revealed his formula. By mistake it's assumed that his assistant knows it although he does not.
as Vincent Fleuret
as le professeur Léonard Bontagues
as Renée Lancel
as Octave
as Madame Noblet
as Le président du tribunal
as Angélica
as P'tit Louis
as Trapu
as Cartier
as Riquet
as Monsieur Noblet
as Le professeur Moucherotte
as L'avocat général
as L'avocat de Vincent
as Un plombier
as Le professeur Holtz
as Un journaliste
as L'avocat de la défense
as Le premier commanditaire
as Le deuxième commanditaire
as Le groom