 In the following years he acted as Dino, Pércio, Breno and José de Castro in the telenovelas Esplendor, As Filhas da Mãe, Um Anjo Caiu do Céu and O Quinto dos Infernos, respectively.Castelli's first role as protagonist was in the ninth season of Malhação in 2002, where he starred Pedro Rodrigues.In 2004 he gave life to his first villain, Jorge Junqueira in Como uma Onda.