 Asked to return to Puerto Rico by Muñiz, Castro left his orchestra and started playing regular comedy roles in Tommy Muñiz's productions such as "Hogar, Dulce Hogar" where he played Napoleoncito, the romantic interest of María Antonieta, a maid played by Carmen Belén Richardson.He later played a similar role, "Medio Metro", along Velda González's Azucena in ""La Criada Malcriada"", first on television, later on film.He and José Miguel Agrelot worked together in many comedy television programs and live appearances.