Template:Infobox Guest star Greg Grunberg portrayed the role of Eric Weiss.
- Has known J.J. Abrams since they were in kindergarten.
- Has gotten parts in almost every project J.J. works on, who considers him to be a good luck charm
- Starred in Heroes as Matt Parkman, a police officer who can read and control minds.
- Acted in several high-profile television commercials early on in his career, including one that was so memorable it landed him on The Tonight Show.
- Created and ran a successful frozen yogurt delivery service.
- Guest starred in a second-season episode of House, MD.
- Brother of Bradley "Brad" Grunberg.
- Auditioned for the role of Fred in The Flintstones in Viva Rock Vegas (2000).
- Drummer and founder of "Band from TV", a musical group comprised of television actors.
- Voiced agent Ethan Thomas in the 2005 video game Condemned.
- Played the pilot on Lost.
- ABC Alias Bio profile
- Zap2It article on Grunberg and The Catch
- The Catch
- Matt Parkman Heroes Wiki character profile