Gregory Phillip Grunberg is an American film and television actor best known for starring as Eric Weiss in the ABC series Alias, Matt Parkman in the NBC series Heroes, Temmin "Snap" Wexley in the Star Wars sequel trilogy and Phil in A Star Is Born. He has often appeared in works produced and directed by his childhood friend J. J. Abrams like Felicity as Sean Blumberg. He was a recurring cast member in the first two seasons of the Showtime American television drama series Masters of Sex.
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