The show's creators named Lou Diamond Phillips' character after a fan who won a Fox auction benefiting the victims of 9/11. The real Mark DeSalvo bid $10,000 to name the character.
Lou Diamond Phillips made two appearances on the show, as Mark DeSalvo, the security chief where Victor Drazen is being held. Philips and star Kiefer Sutherland are known for having worked together in the two "Young Guns" films.
Kieffer Sutherland and Lou Diamond Phillips also worked together previously in Renegades (1987).
Dennis Hooper and Kiefer Sutherland also worked together on the movie Flashback.