He also recurred on the television show Stargate SG-1 as "Lord Zipacna" (based on the Mayan mythological figure Zipacna) and on Lost during its fourth and sixth seasons, in which he played as the antagonist Martin Keamy for 12 episodes.
He drops an item used to pop one of the Sky guardians, Genbu - the Black Tortoise / Black Warrior of the North.