- Grew up in East Los Angeles.
- Was inspired to take up acting after a school trip to see the classic film To Kill a Mockingbird.
- Made TV debut in 1987 and has appeared in guest or recurring roles in some 30 series, including Cagney & Lacey, Knots Landing, China Beach, The X-Files, Star Trek: Deep Space Nine, NYPD Blue, 24, My Name Is Earl, Nip/Tuck and CSI: Miami.
- Was a regular on The Eddie Files, a Peabody Award-winning math-education program that aired on PBS stations in the late 1990s.
- Received a 2010 Saturn Award nomination for his role as psychotic drug dealer Tuco on Breaking Bad.
- Likes to build and ride motorcycles; a bike he owns appeared in a 2008 episode of The Closer.