Sobre Gregory
Gregory Joseph Sierra (January 25, 1937 – January 4, 2021) was an American actor known for his roles as Detective Sergeant Chano Amengual on Barney Miller; Julio Fuentes, the Puerto Rican neighbor of Fred G. Sanford on Sanford and Son, Marruja in The Castaway Cowboy (1974); and Lieutenant Lou Rodriguez in the first four episodes of Miami Vice. — Source: Wikipedia