biographical article needs additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful. (October 2007) Greg Grunberg Grunberg Born Gregory Phillip Grunberg July 11, 1966 (1966-07-11) (age 44) Los Angeles, California, U.S. Occupation Actor Years active 1990–present Spouse Elizabeth Grunberg (3 children) Website http://www.greggrunberg.com/ Gregory Phillip "Greg" Grunberg (born July 11, 1966) is an American television actor. He is best known from starring as Matt Parkman on the NBC television series Heroes. Other notable roles included the characters Sean Blumberg on Felicity (1998–2002) and Eric Weiss on Alias (2001–2006), both created and produced by childhood friend J. J. Abrams..