Guillermo Núñez Keith was born on February 7, 1921 in Guaymas, Sonora, Mexico as Guillermo Ricardo Núñez Keith. He was an actor, known for Mexicanos al grito de guerra (1943), No te dejaré nunca (1948) and Ahí vienen los Mendoza (1948). He was married to María Esther Herrera Rodríguez. He died on November 16, 1994 in Mexico, D.F., Mexico.