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Brian Unger Filmography
| 2024 | Our Little Secret · as Paul |
| 2021 | The Secrets of Christmas Revealed! · as Narrator |
| 2018 | Yellowstone (2018) (TV Series) · as Dr. Stafford |
| 2017 | Me, MYSELF & I (TV Series) · as Ron |
| 2016 | Crowded (TV Series) · as John |
| 2015 | In Their Own Words (2015) (TV Series) · as Narrator |
| 2015 | Time Traveling with Brian Unger (TV Series) |
| 2014 | Leave it to Beavers · as Narrator |
| 2013 | Scooby-Doo and the Snow Creatures · as Avalanche Anderson |
| 2013 | Masters of Sex (TV Series) · as Dr. Jeffrey Fahy |
| 2012 | Baby Daddy (TV Series) · as Jason Bowman |
| 2011 | How the States Got Their Shapes (TV Series) |
| 2009 | Gentlemen Broncos · as Journalist |
| 2009 | Joy Behar: Say Anything! (TV Series) |
| 2009 | Fired Up! · as Male Commentator |
| 2007 | Some Assembly Required (TV Series) |
| 2007 | Super High Me · as Narrator |
| 2005 | It's Always Sunny in Philadelphia (TV Series) · as The Attorney |
| 2004 | Iron Chef America: Battle of the Masters (TV Series) · as Judge (trout Battle) |
| 2003 | I'm With Her (TV Series) |
| 2003 | What's New, Scooby-Doo? Vol. 1: Space Ape at the Cape · as Avalanche Anderson (voice) |
| 2003 | I Love the 70s (TV Series) |
| 2003 | Reno 911! (TV Series) · as Reading Ron |
| 2002 | What's New Scooby-Doo? (TV Series) · as Avalanche Anderson (voice) |
| 2001 | Three Sisters (TV Series) · as Kevin |
| 2000 | Hollywood Off Ramp (TV Series) |
| 1997 | Just Shoot Me! (TV Series) · as Handsome Bartender |
| 1994 | Extra (TV Series) |
| 1982 | Nature (TV Series) · as Narrator |
| 2022 | Inventions That Changed History (TV Series) · as Self - Actor |
| 2019 | Cola Wars · as Self |
| 2018 | The Damage Report with John Iadarola (TV Series) · as Self |
| 2017 | Spy in the Wild: A Nature Miniseries (2017) (TV Series) · as Self |
| 2014 | Mad As Hell · as Self |
| 2014 | Showdown of the Unbeatables (TV Series) · as Self - Host |
| 2012 | Home & Family (TV Series) · as Self |
| 2011 | Guys Choice Awards 2011 · as Self - Performer |
| 2009 | The Jay Leno Show (TV Series) · as Self - Correspondent |
| 2008 | I Love the New Millennium (TV Series) · as Self |
| 2007 | Wired Science (TV Series) · as Self - Host |
| 2006 | Zach Galifianakis: Live at the Purple Onion · as Himself |
| 2006 | I Love The 70s Volume 2 (TV Series) · as Self |
| 2005 | The Young Turks (TV Series) · as Self |
| 2005 | I Love the 90's Part Deux (TV Series) · as Self |
| 2004 | Bushisms · as Himself - Host |
| 2004 | I Love The 90's (TV Series) · as Self |
| 2003 | I Love the 80s Strikes Back (TV Series) · as Self |
| 2003 | Jimmy Kimmel Live! (TV Series) · as Self |
| 2002 | Countdown with Keith Olbermann (TV Series) · as Self - Guest Host |
| 2002 | Last Call with Carson Daly (TV Series) · as Self |
| 1999 | The Man Show (TV Series) · as Self |
| 1996 | The Daily Show (TV Series) · as Self - Correspondent |
| 1981 | Entertainment Tonight (TV Series) · as Self |
| 2021 | The Secrets of Christmas Revealed! · as Executive Producer |
| 2015 | Time Traveling with Brian Unger (TV Series) |
| 2011 | How the States Got Their Shapes (TV Series) |
| 2007 | Some Assembly Required (TV Series) |
| 2004 |