Greg Grunberg
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.
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Known for
Law & Order: Special Victims Unit
Detective Mark McDaniels
The Rookie
Larry Macer
The Simpsons
Bad Robot Security Guard (voice)
Criminal Minds
Chris Callahan
House
Ronald Neuberger
CSI: Crime Scene Investigation
Len Bryant
The Boys
Greg Grunberg As Agent Bill Pearson
Lost
Seth Norris
The Flash
Tom Patterson
American Dad!
Bjorn (voice)
Hawaii Five-0
Jeff Morrison
Monk
Jack Leverett
Psych
Jay Gianukos
Diagnosis: Murder
Brad Carver
Goliath
Greg Wetzel
Melrose Place
Gatman
9-1-1: Lone Star
George
Baywatch
Hell's Kitchen
Self - Restaurant Patron
Heroes
Matt Parkman
NYPD Blue
Joey Schulman
The Dead Zone
Frankie Cantrell
V.I.P.
Loeb
Masters of Sex
Gene Moretti
Silk Stalkings
Felicity
Sean Blumberg
Felicity
Sean Blumberg (voice) (uncredited)
Murphy Brown
25 Words or Less
Self
Baby Daddy
Ray Wheeler
Pacific Blue
Scott Rhinehart
Pictionary
Self
Mission: Impossible III
Kevin
Star Wars: The Force Awakens
Snap Wexley
Life in Pieces
Mikey
Star Wars: The Rise of Skywalker
Snap Wexley
Castle Rock
Andersen
The Client List
Dale Locklin
Profiler
Star Trek
Stepdad (voice)
Super 8
Sitcom Actor
The Mysteries of Laura
Kurt Baronson
The Fabelmans
Bernie Fein
Duster
Nathan Abbott
Suicide Squad: Hell to Pay
Steel Maxum (voice)
A Star Is Born
Phil (Jack's Driver)
Heroes Reborn
Matt Parkman
The Saint
Detective Garces
Austin Powers in Goldmember
Shirtless Fan 'T'
Star Trek Beyond
Commander Finnegan
Hollow Man
Carter Abbey
Ned & Stacey
Nick
Frankenstein: The College Years
Kozlowski
Oh Baby
The Ladykillers
TV Commercial Director
The Horror Crowd
Himself
Alias
Eric Weiss
Tomboy
James
1st Born
Dr. Cooper
What About Brian
Samaritan Driver (uncredited)
Head Case
Self
The Cloverfield Paradox
Joe (voice)
Icons
Burning Dog
Smythe
BASEketball
Wilke - New Jersey Informant
The Empire Strikes Door
Tales of Halloween
Alex Mathis
Mike Hammer, Private Eye
Senseless
Steve
Magic
Detective Davis
Baby, Baby, Baby
The Pallbearer
An Abernathy Cousin
Max Reload and the Nether Blasters
Eugene Wylder
Match Game
End of the World
Owen Stokes
Kill Speed
Moore
Picture Perfect
Date #1 (uncredited)
Dear Consumer (Robot Chicken's Full-Assed Christmas Special)
Odin (voice)
Malibu's Most Wanted
Brett
Getting LOST
Self
Love Bites
Judd
The Skywalker Legacy
Self
Paterno
Scott Paterno
Witchcraft V: Dance with the Devil
Manager
Satanic Hispanics
Detective Arden
The Medicine Show
Barry
Let's Kill Ward's Wife
Bruce
The Jake Effect
Nick Case
Future Shock
Limo Driver
Win, Lose or Love
Hal Harrington
Heroes Unmasked
Himself
Group Sex
Jerry
I Love the '90s: Part Deux
I Love the '90s
Self
Big Ass Spider!
Alex Mathis
Mr. Murder
Dr. Gutheridge
The Trigger Effect
Double Date Guy
Dinner and Driving
Michael
Doubt
Mark Calzonetti
Bond of Silence
Detective Paul Jackson
With Friends Like These
Rudy's Assistant - Sean Nusbalm
It's Dark Here
Dr. Wagner
Under the Lights
911 Operator
Stolen: One Husband
Best Man
Mr. Petrified Forrest
Limo Driver
Tattoos: A Scarred History
Self
The Muse
Four Seasons Hotel Security
Have It All: The Movie
Principal
The Darkroom
Bob
The Holiday Junkie
Darren
Divide & Conquer
Evan
Band from TV: Hoggin' All the Covers
Self
Jimmy Kimmel Live!
Self
Late Night with Conan O'Brien
Self - Guest
The Tonight Show with Jay Leno
The Ellen DeGeneres Show
Self
Celebrity Ghost Stories
Geeking Out
Self - Host