The Probability Factor Cast & Crew
Jean-Louis TrintignantFred Malone Bernadette LafontLouise Delouette Claude PiépluPiette Tournier Michel DelahayeMember of the board of directors Claude MillerMember of the board of directors Béatrice CostantiniFirst secretary (uncredited) Gérard PirèsRegisseur / Screenplay Jean-Patrick ManchetteScreenplay Ralph BaumExecutive Producer Jean-Baptiste PoirotProduction Design Michael SeresinDirector Of Photography Christian AujardCostume Design Claudine Cronier-MoninKey Hair Stylist Alex ArchambaultMakeup Department Head Claude BollingOriginal Music Composer 
