Cast & creator
Eric Christian Olsen
Best known for NCIS: Los Angeles, NCIS: Los Angeles, Smallville
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.
34
film credits
20
television credits
50
1994–2024 · acting roles
6.5
average across scored titles
Signature credits
Known for
Across film & television
Filmography (54)
Showing 54 of 54 credits
NCIS: Los Angeles
Marty Deeks
2009NCIS: Los Angeles
Writer
2009
Smallville
Young Harry Bollston
2001
24
John Mason
2001
ER
Travis Mitchell
1994
Community
Vaughn
2009
Brothers and Sisters
Kyle DeWitt
2006
Matlock
Executive Producer
2024
Beyond Belief: Fact or Fiction
Adam Foster (segment "The Viewing")
1997
Steve
Self
2017
Kick Buttowski: Suburban Daredevil
Wade (voice)
2010
Steve Harvey
Self
2012
Tru Calling
Jensen Ritchie
2003
Pearl Harbor
Gunner
2001
The Thing
Adam Finch
2011
The Hot Chick
Jake
2002
Not Another Teen Movie
Austin
2001
Get Real
Cameron Green
1999
Eagle Eye
Craig
2008
The Loop
Sully Sullivan
2006
The Back-Up Plan
Clive
2010
Cellular
Chad
2004
LEGO Hero Factory
William Furno
2010
Woke
Executive Producer
2020
Fired Up!
Nick Brady
2009
Battle of the Sexes
Lornie Kuhle
2017
Dumb and Dumberer: When Harry Met Lloyd
Lloyd Christmas
2003
Neighbors from Hell
2010
License to Wed
Carlisle
2007
Ryan Hansen Solves Crimes on Television
Eric Christian Olsen
2017
Beerfest
Gunter
2006
Sunshine Cleaning
Randy
2009
The Comebacks
Foreign Exchange Student
2007
Celeste & Jesse Forever
Tucker
2012
The Six Wives of Henry Lefay
Lloyd
2009
The Last Kiss
Kenny
2006
Local Boys
Randy Dobson
2002
NCISverse: The First 1,000
Self
2024
Black Cat Run
Gas Station Attendant
1998
The Hill
Matt O'Brien
LEGO Hero Factory: Savage Planet
William Furno (voice)
2011
LEGO Hero Factory: Ordeal of Fire
William Furno (voice)
2011
LEGO Hero Factory: Rise of the Rookies
William Furno (voice)
2010
Band of Robbers
Sid Sawyer
2016
Andy Irons: Kissed by God
Executive Producer
2018
Sun Dogs
Thad
2017
Mojave
Josh
2004
Warning Labels
Thad
2015
The Place of No Words
Eric
2019
Arthurs Quest
Artie / King Arthur
1999
Write & Wrong
Jason 'Krueger' Langdon
2007
The Relationtrip
Chippy (voice)
2017
Teen Choice Awards
Self
1999