
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 …

We Only Know So Much
as Theodore Copeland

Loudon Wainwright III: Surviving Twin

No Pay, Nudity
as Brian Grant

I Had a Dream

True Story
as Older Man
Pleased to Meet Me
as Eric

Sleepwalk with Me
as Uncle Max

Certainty
as Tom

G-Force
as Grandpa Goodman

Knocked Up
as Dr. Howard

Carol & the End of the World
as (voice) · 3 ep.

Mosaic
as Dennis Klein · 2 ep.

The Late Show with Stephen Colbert
as Self · 1 ep.

Person of Interest
as Sheriff Landry · 1 ep.

Parks and Recreation
as Barry · 2 ep.

According to Jim
as Minister · 1 ep.

Grounded for Life
as Dr. Weidlinger · 1 ep.

Undeclared
as Hal Karp · 16 ep.

Ally McBeal
as Jerome Trouper · 2 ep.

Late Night with Conan O'Brien
as Self - Musical Guest · 2 ep.
M*A*S*H
1972