Pablo Alarson was born on August 29, 1989 in Paris. Very early, he plays in French short films. He travels to Argentina where he settles for two years in Buenos Aires. He plays in Spanish in the theater and plays the main role of a first Argentinian film "La Consagración de la nada" (2013). Back in Europe, he took drama lessons in Liege (Belgium). In France, he continues on two films by Claude Chamis, "The wanderings of Ivan" (2018) and "Porte de Vincennes" (2019) which he plays the main role.