Grégoire Lecomte, the unlucky actor anxious to find a "real job", goes to take a screen test for a role of a killer, but gets to mafiosi by mistake. He takes their don for a producer, and they mistake him for a hitman with whom they had an appointment. Deluded Lecomte signs contract with them. He is supposed to kill gun dealer Otto Krampe at his birthday party in Saint-Tropez by piercing him with a cap of the umbrella with a built-in syringe with potassium cyanide. Lecomte is not aware that it has to be a real murder.
as Grégoire Lecomte, acteur à mi-temps, dragueur à plein temps
as Sylvette, alias Bunny, inspecteur à la D.S.T.
as Josyane Leblanc, contractuelle parisienne, régulière de Grégoire
as Frédo, agent artistique de Grégoire
as Moskovitz, le tueur à gages
as Salvatore Bozzoni, couturier et fournisseur de poison
as Otto Krampe, dit La Baleine
as Le producteur de Paris
as Mireille, femme de Frédo, ex-maîtresse de Grégoire
as Juliette, la fleuriste, ex-femme non divorcée de Grégoire
as Radj Kahn, homme de main de La Baleine
as Stanislas Lefort, dit Constantin Patakis, alias Pierre Juvet, dit 'La Folle'
as Le docteur, homme de main de La Baleine
as Don Barberini, mafioso italien
as Lorenzo, homme de confiance de Don Barberini
as Le journaliste télé
as Le régisseur du café-théâtre
as Mannequin brésilienne, 2nd épouse de Pierre (archive footage)
as Le metteur en scène
