Greg Grunberg is an American film and television actor known for starring as Eric Weiss in the ABC series Alias, Matt Parkman in the NBC series Heroes, Sean Blumberg in Felicity, Temmin "Snap" Wexley in Star Wars: The Force Awakens and Star Wars: The Rise of Skywalker, and Phil in A Star Is Born. He is also an epilepsy advocate and hosts the podcast Talk About it that helps bring the epilepsy community together.