
The Madman of Lab Four
This talkative and unevenly paced feature finds Fou (Jean Lefebvre) the inventor of a gas that makes the users fall in love. He is chased by his boss, the police, and spies, who seek to secure the secret recipe for their own selfish purposes. A shadowy American underworld figure tries to intimidate the inventor. A half-hearted attempt at comedy tries to go along with the double dealing and trickery of the thin plot of the film.
Top Billed Cast

Jean Lefebvre
Eugène Ballanchon, scientific researcher, single

Maria Latour
Régine, Mr. Beauchard's spy

Bernard Blier
Mr. Beauchard, executive secretary linked to a gang

Michel Serrault
Mr. Granger, director of the scientific laboratory

Pierre Tornade
DST inspector
Featured Crew
Jacques Besnard
Director
Henri Sonois
Production Design
Jacques Martin
Props
Henri Sonois
Set Decoration
Pierre Charron
Set Decoration
Michel Lebon
Assistant Camera
Daniel Diot
Camera Operator
Raymond Lemoigne
Director of Photography
Gilles Baudoin Peytel
Still Photographer
Billy Bonnard
Key Makeup Artist

Alain Poiré
Delegated Producer
Jacques Besnard
Producer