Greg Grunberg (born July 11, 1966) is an American television and film actor. He is best known for starring as Eric Weiss in the ABC series Alias, Matt Parkman in the NBC series Heroes, and "Snap" Wexley in Star Wars: The Force Awakens. He has often appeared in works produced and directed by his childhood friend J. J. Abrams. 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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