Film

No.	Year	Title	Role	Vote Average
1	2004	Bushisms	Himself - Host	20
2	2004	What's New, Scooby-Doo? Vol. 1: Space Ape at the Cape	(voice)	99
3	2007	Zach Galifianakis: Live at the Purple Onion	Himself	70
4	2007	Super High Me	Narrator	57
5	2008	Bohica	Air Force Pilot	60
6	2009	Fired Up!	Male Commentator	61
7	2009	Gentlemen Broncos	Journalist	57
8	2009	VH1's 100 Most Shocking Music Moments	Self	0
9	2013	Scooby-Doo and the Snow Creatures	Avalanche Anderson	100
10	2014	Leave it to Beavers	Narrator	70
11	2024	Our Little Secret	Paul	63

Television

No.	Year	Title	Role	Vote Average
1	1982	Nature	Narrator	81
2	1994	Extra		21
3	1996	The Daily Show	Self - Correspondent	63
4	1997	Just Shoot Me!	Handsome Bartender	67
5	2000	Hollywood Off-Ramp		0
6	2001	Three Sisters	Kevin	60
7	2002	What's New, Scooby-Doo?	Avalanche Anderson (voice)	79
8	2002	O2Be		0
9	2003	Reno 911!		72
10	2003	I Love the '70s		85
11	2003	I'm with Her		66
12	2005	It's Always Sunny in Philadelphia	The Attorney	83
13	2005	It's Always Sunny in Philadelphia	The Lawyer	83
14	2006	I Love the '70s: Volume 2	Self	0
15	2008	How Stuff's Made	Host	0
16	2008	I Love the New Millennium	Self	0
17	2008	Some Assembly Required		50
18	2009	The Great Debate		0
19	2009	Joy Behar: Say Anything!		0
20	2010	How the States Got Their Shapes		73
21	2012	Baby Daddy	Jason Bowman	71
22	2013	Masters of Sex	Dr. Jeffrey Fahy	71
23	2014	Showdown of the Unbeatables	Self - Host	65
24	2015	Time Traveling with Brian Unger		60
25	2016	Crowded	John	61
26	2017	Me, Myself & I	Ron	62
27	2018	Yellowstone	Dr. Stafford	82
28	2022	Inventions That Changed History	Self - Actor	70