Emilio Delgado. Actor: Sesamstraße. Emilio Delgado was an actor and singer, best known for his 44 years in the role of "Luis" on Sesame Street from 1971-2015 and had the unofficial distinction of having played the same role on U.S. television longer than any other Mexican American actor. He was born in Calexico, California and spent his early childhood living across the border in Mexicali, Mexico in a large extended...