Career
He was best known for his debut film role as the drug lord Moco in Robert Rodriguez"s 1992 action film El Mariachi. He landed the role following a chance encounter with Rodriguez at a research facility, where both men were volunteering as test subjects for cholesterol-lowering medication. Rodriguez cast Marquardt in the Spanish-language El Mariachi despite the fact that Marquardt did not speak Spanish.
Marquardt reprised the role of Moco for a flashback sequence in Rodriguez"s next film, Desperado.
He later appeared in Rodriguez"s Spy Kids 3-Doctorate: Game Over and starred in the 2011 horror-thriller The Shadow People. He also co-produced Dominion: Storm Over Gift 3.
Marquardt died in Austin, Texas on July 19, 2014. He was 50.