Emilio Delgado (b. May 8, 1940) has played Luis on Sesame Street since 1971. Emilio Delgado (Luis) can easily claim one of the longest running parts for a Latino actor in a continuing series as Luis on Sesame Street, since the show's third season. He began his career in the Emmy Award winning Canción de la Raza, followed by a memorable performance in the acclaimed I Will Fight No More Forever, and Ruben Castillo on the popular Lou Grant series. He also appeared on Cosby and Law and Order. He was Artistic Director of the Barrio Theatre Ensemble of East LA and a company member of Inner City Repertory and Group Repertory playing a multitude of roles. On Broadway, he understudied Raúl Julia in the musical Two Gentlemen of Verona. Film credits include Follow That Bird and The Adventures of Elmo