Kaiony da Silva Venâncio (Natal, August 22, 1979) is a Brazilian actor, screenwriter, producer, and film director. He became known for his role as Vilmar in the film The Secret Agent. Kaiony da Silva Venâncio (Natal, August 22, 1979) is a Brazilian actor, screenwriter, producer, and film director. He became known for his role as Vilmar in the film The Secret Agent.