Edward James "Eddie" Olmos (born February 24, 1947) is a Mexican American actor and director. Among his most memorable roles are Commander/Admiral William Adama (William Adama) in the Battlestar Galactica (Battlestar Galactica (2004 TV series)) re-imagined series, Lt. Martin Castillo (Miami Vice#Main characters) in Miami Vice, teacher Jaime Escalante in Stand and Deliver, patriarch Abraham Quintanilla in the film Selena (Selena (film)), Detective Gaff (Characters in Blade Runner#Gaff) in Blade Runner, and narrator El Pachuco in both the stage (Zoot Suit (play)) and film (Zoot Suit (film)) versions of Zoot Suit.