Gregory Phillip "Greg" Grunberg (born July 11, 1966 in Los Angeles, California) is an American television and film actor. He is best known for starring as Matt Parkman on the NBC television series Heroes. Other notable roles include the characters Sean Blumberg on Felicity (1998–2002), the pilot Seth Norris on Lost, and Eric Weiss on Alias (2001–2006), all three created and produced by his childhood friend J. J. Abrams, and as exterminator Alex Mathis in Big Ass Spider!.
His brother is actor Brad Grunberg.
Film Roles
- 1998 – BASEketball as Wilke
- 2000 – Hollow Man as Carter Abbey
- 2006 – Mission: Impossible III as Kevin
- 2009 – Star Trek as James T. Kirk's stepfather
- 2013 – Big Ass Spider! as Alex
- 2015 – Star Wars Episode VII: The Force Awakens as Temmin "Snap" Wexley
- 2016 – Star Trek Beyond as Commander Finnegan
- 2017 - Suicide Squad: Hell to Pay as Steel Maxum
- 2019 - Star Wars Episode IX: The Rise of Skywalker as Temmin "Snap" Wexley
- 2022 - The Fabelmans as Bernie Fein
Television Roles
- 1998 – Diagnosis: Murder as Brad Carver
- 1998–2002 – Felicity as Sean Blumberg
- 2001 – NYPD Blue as Joey Schulman
- 2001–2006 – Alias as Eric Weiss
- 2004 – The Dead Zone as Frankie Cantrell
- 2004, 2010 – Lost as Seth Norris (Pilot)
- 2006 – Monk as Jack Leverett
- 2006 – House as Ronald Neuberger
- 2006–2010 – Heroes as Matt Parkman
- 2011 – Love Bites as Judd Rousher
- 2011 – Hawaii Five-0 as Agent Jeff Morrison
- 2012 – Psych as Jay
- 2013 – Masters of Sex as Gene Moretti
- 2016 – The Flash (2014) as Detective Patterson
- 2021 - The Rookie as Larry Macer
Videogame Roles
- 2005 – Condemned: Criminal Origins as Ethan Thomas
- 2011 – L.A. Noire as Hugo Moller
