Gualberto Antonio Castro Levario (12 July 1934 – 27 June 2019) was a Mexican singer, actor and television personality. He was best known for singing with Los Hermanos Castro (aka "The Brothers Castro") and for hosting the television program La Carabina de Ambrosio. He played the part of Tony in the Mexican production of West Side Story in 1977. Castro was born in Mexico City.
- "El cantante Gualberto Castro falleció a los 84 años de edad" [Singer Gualberto Castro has died at 84 years of age]. El Economista. Mexico. 27 June 2019. Retrieved 27 June 2019.