Lou Diamond Phillips is an American actor whose career was launched with the role of Ritchie Valens in the 1987 movie La Bamba. He is of mixed descent; Scottish-Irish, Hawaiian, and Cherokee from his father's side; and Filipino, Spanish and Chinese from his mother's side. He plays the role of Colonel David Telford in the series Stargate Universe.
- Early character descriptions led some fans to compare the character of Colonel David Telford to that of Colonel Marshall Sumner. Sumner was played by Robert Patrick, who beat Phillips to the role of Agent John Doggett in the series The X-Files.