Loudon Snowden Wainwright III (born September 5, 1946) is an American singer-songwriter and occasional actor. He has released twenty-six studio albums, four live albums, and six compilations. Some of his best-known songs include "The Swimming Song", "Motel Blues", "The Man Who Couldn't Cry", "Dead Skunk", and "Lullaby". In 2007, he collaborated with musician Joe Henry to create the soundtrack for Judd Apatow's film Knocked Up. In addition to music, he has acted in small roles in at least eighteen television programs and feature films, including three episodes in the third season of the series M*A*S*H.

Filmography

• Carol & the End of the World — (voice)
• 2018Loudon Wainwright III: Surviving Twin — Writer, Music
• Mosaic — Casey Delacroix / Dennis Klein
• 2018We Only Know So Much — Theodore Copeland
• 2016I Had a Dream — Music Producer, Musician
• 2016No Pay, Nudity — Brian Grant
• 2015True Story — Older Man
• 2013Pleased to Meet Me — Eric
• 2012Sleepwalk with Me — Uncle Max
• 2011Certainty — Tom
• Person of Interest — Sheriff Landry
• 2009G-Force — Grandpa Goodman
• Parks and Recreation — Barry
• 2007Knocked Up — Dr. Howard, Original Music Composer
• 2006For Your Consideration — Nominee Ben Connelly
• 2005Elizabethtown — Uncle Dale
• 2005The 40 Year-Old Virgin — Priest
• 2004The Aviator — Cocoanut Grove Vocalist #2
• 2003Big Fish — Beamen
• According to Jim — Minister
• Grounded for Life — Dr. Weidlinger
• Undeclared — Hal Karp
• 200028 Days — Guitar Guy
• Ally McBeal — Jerome Trouper
• Later... with Jools Holland
• Soldier Soldier — Norman
• 1989Jacknife — Ferretti
• 1985The Slugger's Wife — Gary
• 1979Diary of a Young Comic — Music
• 1979The T.V. Show
• M*A*S*H — Capt. Calvin Spalding
• The Old Grey Whistle Test
• The Videographers — Robin

Appearances as themselves (6)

• The Late Show with Stephen Colbert — Self
• 1999The McGarrigle Hour — self
• Late Night with Conan O'Brien — Self - Musical Guest
• 1993One Man Guy — Self
• Austin City Limits — Self
• Saturday Night Live — Self - Musical Guest