Le Fou du labo 4

Laure Paillette as Traveler (uncredited) Lionel Vitrant as Actor from the western (uncredited) Jean Lefebvre as Eugène Ballanchon, scientific researcher, single Pierre Brasseur as Father Ballanchon Sabine Sun as Baroness Henri Guégan as Actor from the western (uncredited) Maria Latour as Régine, Mr. Beauchard's spy Henri Virlogeux as Scholar André Chaumeau as Baron Yvon Sarray as Pedestrian Marius Gaidon as Police officer (uncredited) Bernard Blier as Mr. Beauchard, executive secretary linked to a gang Michel Serrault as Mr. Granger, director of the scientific laboratory Margo Lion as Mrs. Ballanchon, Eugène's mother Robert Dalban as Merchant, spy in the laboratory Mario David as Mario Jean Franval as DST inspector André Cagnard as Jo (uncredited) Guy Delorme as Actor from the western (uncredited) Pierre Tornade as DST inspector Paul Préboist as Agent Alain Janey as Fred Jean Ozenne as Minister (uncredited)

René-Christian Forget Sound Jean Halain Writer Michel Berreur Stunts Rico López Stunts Alain Poiré Delegated Producer Bernard Gérard Original Music Composer Jacques Besnard Director, Producer, Writer André Cagnard Action Director Claude Carliez Stunt Coordinator Jean-Marie Poiré Second Assistant Director