
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

Parks and Recreation
2009

M*A*S*H
1972

Late Night with Conan O'Brien
1993

According to Jim
2001

Austin City Limits
1975

Grounded for Life
2001

The 40 Year-Old Virgin
2005

Ally McBeal
1997

The Old Grey Whistle Test
1971

Soldier Soldier
1991

The Aviator
2004

Big Fish
2003

Knocked Up
2007

Carol & the End of the World
2023

G-Force
2009

Undeclared
2001

Mosaic
2018

Elizabethtown
2005

28 Days
2000

True Story
2015

For Your Consideration
2006

Jacknife
1989

Sleepwalk with Me
2012

No Pay, Nudity
2016

I Had a Dream
2016

The Slugger's Wife
1985

We Only Know So Much
2018

The T.V. Show
1979

Certainty
2011

Loudon Wainwright III: Surviving Twin
2018

One Man Guy
1993