Don't Shout it from the Rooftops

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.

• Jacques Daniel-NormanDirector

• FernandelVincent Fleuret
• Robert Le Viganle professeur Léonard Bontagues
• Meg LemonnierRenée Lancel
• Jacques VarennesOctave
• Thérèse DornyMadame Noblet
• Jean TouloutLe président du tribunal
• Marie-Josée MaffeiAngélica
• Paul AzaïsP'tit Louis
• Henri AriusTrapu
• Georges LannesCartier
• Pierre FeuillèreRiquet
• Léon BélièresMonsieur Noblet