Brazilian actor known for his intense screen presence and classic leading-man aesthetic. Castelli has a sharp, commanding look, strong physicality, and a restrained acting style where expression and posture often speak louder than dialogue. He rose to prominence through Brazilian TV dramas, especially Globo telenovelas, portraying a wide range of characters from passionate heroes to volatile villains. His performances often revolve around inner conflict, pride, emotional tension, and controlled aggression. He frequently embodies characters who are impulsive, dominant, or emotionally burdened, giving them weight through silence, body language, and piercing gazes rather than exaggerated delivery.