Edward James Olmos (born February 24, 1947) is an American actor, director, producer, and activist. He is best known for his roles as Lieutenant Martin "Marty" Castillo in Miami Vice (1984–1989), actor in and director of American Me (1992), William Adama in the re-imagined Battlestar Galactica (2004–2009), teacher Jaime Escalante in Stand and Deliver (1988), and Detective Gaff in Blade Runner (1982), and its sequel Blade Runner 2049 (2017). In 2018, he played the father of two members of an outlaw motorcycle club in the FX series Mayans MC.