Credits · 37
FilmOur Little Secret
2024 · Paul
Inventions That Changed History
2022 · Self - Actor
FilmCola Wars
2019 · Self
Yellowstone
2018 · Dr. Stafford
Me, Myself & I
2017 · Ron
Crowded
2016 · John
Time Traveling with Brian Unger
2015
FilmLeave it to Beavers
2014 · Narrator
Showdown of the Unbeatables
2014 · Self - Host
FilmScooby-Doo and the Snow Creatures
2013 · Avalanche Anderson
Masters of Sex
2013 · Dr. Jeffrey Fahy
Baby Daddy
2012 · Jason Bowman
How the States Got Their Shapes
2010
FilmGentlemen Broncos
2009 · Journalist
Joy Behar: Say Anything!
2009
The Great Debate
The Great Debate
2009
FilmFired Up!
2009 · Male Commentator
Some Assembly Required
2008
I Love the New Millennium
2008 · Self
Bohica
FilmBohica
2008 · Air Force Pilot
How Stuff's Made
How Stuff's Made
2008 · Host
FilmSuper High Me
2007 · Narrator
FilmZach Galifianakis: Live at the Purple Onion
2007 · Himself
I Love the '70s: Volume 2
2006 · Self
It's Always Sunny in Philadelphia
2005 · The Attorney
FilmBushisms
2004 · Himself - Host
I'm with Her
2003 · Entertainment Reporter
FilmWhat's New, Scooby-Doo? Vol. 1: Space Ape at the Cape
2003 · Avalanche Anderson (voice)
I Love the '70s
2003
Reno 911!
2003 · Reading Ron
O2Be
O2Be
2002
What's New, Scooby-Doo?
2002 · Avalanche Anderson (voice)
Three Sisters
2001 · Kevin
Hollywood Off-Ramp
Hollywood Off-Ramp
2000
Just Shoot Me!
1997 · Handsome Bartender
Extra
1994
Nature
1982 · Narrator