Summary: When research scientist Eugène Ballanchon invents a gas that renders its unsuspecting victims calm and amiable, his boss Granger immediately realises its potential for military use. Unfortunately, so does the notorious gangster Beauchard, who intends to steal the secret formula for the gas and sell it to a foreign power. To that end, the beautiful agent Maria Latour is engaged to seduce Eugène and lure him into Beauchard’s clutches… (Filmsdefrance)

Genre: Comedy

Country: France

Directed By: Jacques Besnard

Written By: Jacques Besnard, René Cambon

Starring: Michel Serrault, Pierre Brasseur, Bernard Blier, Jean Ozenne, Pierre Tornade, Paul Préboist, Mario David, Robert Dalban, Jean Lefebvre, Maria Latour

More information at the Internet Movie Database