Justin Jacob Long (born June 2, 1978 in Fairfield, Connecticut) is an American writer, director, and actor known for a wide variety of roles ranging from the anthropomorphic personification of a personal computer to a chipmunk.
He attended Fairfield College Preparatory School and Vassar College, where he was a member of the sketch comedy group Laughingstock and starred in several plays. His earliest film role was the minor (but instrumental) character of Brandon in Galaxy Quest, and his career took off from there.
He's married to Kate Bosworth.
Film Roles with TV Tropes pages:
- Accepted (2006) as Bartleby "B." Gaines
- After.Life (2009) as Paul Coleman
- Alvin and the Chipmunks and its sequels (2007-2015) as Alvin
- Barbarian (2022) as AJ Gilbride
- The Break Up (2006) as Christopher Hirons
- The Conspirator (2011) as Nicholas Baker
- Crossroads (2002) as Henry
- DodgeBall: A True Underdog Story (2004) as Justin Redman
- Drag Me to Hell (2009) as Clay Dalton
- For a Good Time, Call... (2012) as Jesse
- Funny People (2009) as the re-do guy
- Galaxy Quest (1999) as Brandon
- Going the Distance (2010) as Garrett Scully
- Herbie: Fully Loaded (2005) as Kevin
- He's Just Not That into You (2009) as Alex
- Idiocracy (2006) as Dr. Lexus
- Its a Wonderful Knife (2023)
- Jeepers Creepers (2001) as Darry Jenner
- Jeepers Creepers 2 (2003)
- Live Free or Die Hard (2007) as Matt Farrell
- Movie 43 (2013)
- Night Patrol (2026)
- Strange Wilderness (2008) as Junior
- Tusk (2014) as Wallace Bryton
- Veronica Mars (2014; uncredited) as a drunken wingman
- V/H/S/Beyond, Fur Babies (2024; co-writer/co-director)
- Waiting... (2005) as Dean Saunders
- Still Waiting… (2009)
- Walk Hard: The Dewey Cox Story (2007; uncredited) as George Harrison
- Weapons (2025) as Gary
- Yoga Hosers (2015) as Yogi Bayer
- Youth in Revolt (2010) as Paul Saunders
- Zack and Miri Make a Porno (2008) as Brandon St. Randy
- Jay and Silent Bob Reboot (2021; also set in The View Askewniverse)
- Clerks III (2022) as an orderly
Television roles with TV Tropes pages:
- Creepshow (2021; "Night of the Living Late Show") as Simon Sherman
- Ed (2000-2004) as Warren P. Cheswick
- Get a Mac (running from 2005-2009) as the Anthropomorphic Personification of a Mac
- Goosebumps (2023-) as Nathan Bratt
- Mom (2013; recurring) as Adam
- New Girl (2011-2015; recurring) as Paul Genzlinger
- Portlandia (2014; "The Fiancée") as Justin
- Saturday Night Live (2009; guest star) as various characters
- That '70s Show (2006; "Love of My Life") as Andrew Davis
- Giri/Haji (2019; recurring) as Ellis Vickers
Voice Acting roles with TV Tropes pages:
- Alpha and Omega (2010) as Humphrey
- Battle for Terra (2007) as Senn
- F is for Family (2015-2021) as Kevin Murphy
- Hair High (2004) as Dwayne
- King of the Hill (2006-2007) as various characters
- Masters of the Universe: Revelation (2021) as Roboto
- Planet 51 (2009) as Lem Kerplog
- Skylanders Academy (2016-2018) as Spyro
- TripTank (2014) as Camera Man / Andrew
- Unsupervised (2013) as Gary
- Walking with Dinosaurs (2013) as Patchi