Gregory Phillip Grunberg (born July 11, 1966) 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, Temmin "Snap" Wexley in and , and Phil in A Star Is Born. He has often appeared in works produced and directed by his childhood friend J. J. Abrams, such as 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.
Abrams also cast Grunberg in a brief role as a pilot for the 2004 series Lost. Grunberg returned for the first-season finale, but his scenes were cut for time and were instead included on the season 1 DVD set. He also appeared in a small role in , which Abrams directed.
Grunberg had a major role in the NBC TV show Heroes as telepathic police officer Matt Parkman. He was offered a part in Star Trek, which Abrams directed, but was unable to do so because of scheduling conflicts. In the final film, he voices Kirk's stepfather in the opening sequence. Grunberg voices FBI agent Ethan Thomas in the video game .
Outside of acting, Grunberg is known as one of the creators of the Yowza!! Android and iPhone application, a GPS-aware coupon-referring program. The company was acquired in 2014 by Spindle, a mobile commerce solutions firm.
He also voices Hank Pym in the animated series The Super Hero Squad Show. Grunberg was featured on the May/June 2009 cover of Making Music magazine. On May 17, 2010, Grunberg announced that he would be joining the cast of Love Bites.
He took up a minor role in the 2011 neo-noir detective videogame L.A. Noire, in which he provided both voice and facial motion capture as murder suspect Hugo Moller. On November 7, 2011, he appeared as a guest star on an episode of the TV series Hawaii Five-0 with former Heroes co-star Masi Oka. He also appeared as a special guest star on the March 14, 2012, episode of the TV series Psych.
In 2013, Grunberg appeared in one episode during the first season of the TV series Masters of Sex as the character Gene Moretti, a rich business man. The part was expanded in 2014 to 4 episodes during the second season.
In February 2016, Grunberg co-hosted a late night talk show with Kevin Smith titled Geeking Out on AMC.
Since 2019, Grunberg has been a recurring guest star on the syndicated game show 25 Words or Less.
In 2021, he appeared as a guest star on an episode of in the role of a father fighting for the life of his son, who suffers from epilepsy. This echoes Grunberg's real life activism due to his own son's epilepsy.
He often organizes charity efforts to raise funds for the Pediatric Epilepsy Project in Los Angeles. Look To the Stars: "Greg Grunberg" retrieved November 2, 2013 In the past, this has included events such as an auction of guitars handpainted by celebrities such as Donald Trump, Pink and Grunberg's Alias co-stars Jennifer Garner and Michael Vartan.
In March 2007, Grunberg served as the chair of the first National Walk for Epilepsy, presented by the Epilepsy Foundation. Epilepsy Foundation: "Hollywood Movie Premiere Highlights National Epilepsy Awareness Month". Retrieved November 2, 2013.
In 2009, Grunberg launched Talk About It, a website dedicated to epilepsy education and awareness, featuring many of his co-stars and celebrity friends, including Garner, Larter, Pasdar, Ramamurthy, Ventimiglia, and Panettiere, as well as Zachary Quinto, Chris Pine, Drew Pinsky, Ron Rifkin, and John Mayer. The site features Grunberg interviewing top epilepsy experts on the need to talk more about epilepsy, and includes a section for people all over the world to talk about it.
Grunberg was a participant in the first-ever national television advertising campaign supporting donations to Jewish federations. The program featured "film and television personalities celebrating their Jewish heritage and promoting charitable giving to the Jewish community" and included Marlee Matlin, Joshua Malina, Kevin Weisman, and Jonathan Silverman. He made a tongue-in-cheek promotional video for Temple Judea Religious School lambasting boring Hebrew Religious schools. You Tube Temple Judea: "Save the Children – Stop Hebrew School Suffering". Retrieved November 2, 2013
In May 2025, Grunberg revealed he had developed alopecia.
Filmography
Film
Uncredited Date #1 Brad William Henke originally played Uncle Frank until his scenes were cut for time and Grunberg then redubbed his lines via voice only Voice A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its credits or other reliable sources of information. Voice
Television
Episode: "" Recurring (season 1)
Main (season 2–4): 66 episodesEpisode: "Pilot" Season 8, episodes 18,19,20 Episode: "Mr. Monk and the Actor" Episode: "Sex Kills" Voice, recurring role Voice, episode: "Dear Consumer" TV film Webseries Guest (season 2), episode 8 Guest (season 6), episode 12 Voice, episode: "Strange" Recurring Television film Dining room guest in "18 Chefs Compete" Documentary TV series
(season 5), episode 1 Miniseries 2 episodes Co-host 2 episodes 2017 Pawn Stars Himself Episode: "La La Land" TV film Voice, episode: "Vigor the Visionary" 1 episode Voice, episode: "Do Pizza Bots Dream of Electric Guitars" George Episode: "One Day" Episode: "The Pain Killer" Episode: "New Blood" (2021); "Backstabbers" (2022) Episode: "A Better Person"
Video games
Music video
Song by Jason Mraz
External links
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