
Acting
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.

The Late Show with Stephen Colbert
2015

Saturday Night Live
1975

Person of Interest
2011

Late Night with Conan O'Brien
1993

M*A*S*H
1972

Parks and Recreation
2009

According to Jim
2001

Later... with Jools Holland
1992

Grounded for Life
2001

Ally McBeal
1997

Austin City Limits
1975

Soldier Soldier
1991

The 40 Year-Old Virgin
2005

The Aviator
2004

Carol & the End of the World
2023

Knocked Up
2007

The Old Grey Whistle Test
1971

Undeclared
2001

G-Force
2009

Big Fish
2003

Mosaic
2018

True Story
2015

28 Days
2000

Elizabethtown
2005

For Your Consideration
2006

Jacknife
1989

We Only Know So Much
2018

The Slugger's Wife
1985

Sleepwalk with Me
2012

Loudon Wainwright III: Surviving Twin
2018

No Pay, Nudity
2016

Certainty
2011

The T.V. Show
1979

I Had a Dream
2016

One Man Guy
1993