Eric Christian Olsen (born May 31, 1977) is an American actor, writer and producer. He is known for his portrayals of Investigator Marty Deeks on the CBS television series NCIS: Los Angeles, Austin in the film Not Another Teen Movie, Lloyd Christmas in Dumb and Dumberer: When Harry Met Lloyd and as producer/executive producer on the 2024 reboot of Matlock.

Filmography

• Matlock — Executive Producer
• Woke — Executive Producer
• 2019The Place of No Words — Eric
• 2018Andy Irons: Kissed by God — Executive Producer
• 2017Battle of the Sexes — Lornie Kuhle
• Ryan Hansen Solves Crimes on Television — Eric Christian Olsen
• 2017Sun Dogs — Thad
• 2017The Relationtrip — Chippy (voice)
• 2016Band of Robbers — Sid Sawyer
• 2015Warning Labels — Thad
• 2012Celeste & Jesse Forever — Tucker
• 2011LEGO Hero Factory: Ordeal of Fire — William Furno (voice)
• 2011LEGO Hero Factory: Savage Planet — William Furno (voice)
• 2011The Thing — Adam Finch
• Kick Buttowski: Suburban Daredevil — Wade (voice)
• LEGO Hero Factory — William Furno
• 2010LEGO Hero Factory: Rise of the Rookies — William Furno (voice)
• Neighbors from Hell
• 2010The Back-Up Plan — Clive
• Community — Vaughn
• 2009Fired Up! — Nick Brady
• NCIS: Los Angeles — Marty Deeks, Writer
• 2009Sunshine Cleaning — Randy
• 2009The Six Wives of Henry Lefay — Lloyd
• 2008Eagle Eye — Craig
• 2007License to Wed — Carlisle
• 2007The Comebacks — Foreign Exchange Student
• 2007Write & Wrong — Jason 'Krueger' Langdon
• 2006Beerfest — Gunter
• Brothers and Sisters — Kyle DeWitt
• 2006The Last Kiss — Kenny
• The Loop — Sully Sullivan
• 2004Cellular — Chad
• 2004Mojave — Josh
• 2003Dumb and Dumberer: When Harry Met Lloyd — Lloyd Christmas
• Tru Calling — Jensen Ritchie
• 2002Local Boys — Randy Dobson
• 2002The Hot Chick — Jake
• 24 — John Mason
• 2001Mean People Suck
• 2001Not Another Teen Movie — Austin
• 2001Pearl Harbor — Gunner
• Smallville — Young Harry Bollston
• 1999Arthurs Quest — Artie / King Arthur
• Get Real — Cameron Green
• 1998Black Cat Run — Gas Station Attendant
• Beyond Belief: Fact or Fiction — Adam Foster (segment "The Viewing")
• ER — Travis Mitchell
• The Hill — Matt O'Brien

Appearances as themselves (4)

• 2024NCISverse: The First 1,000 — Self
• Steve — Self
• Steve Harvey — Self
• Teen Choice Awards — Self