As of June 2026, Loudon Wainwright III is best known for The Late Show with Stephen Colbert and Person of Interest. Find every show and movie Loudon Wainwright III has starred in — and where to watch them — below.
Loudon Wainwright III

Loudon Wainwright III

Actor Born 1946 Chapel Hill, North Carolina, USA 12 TV Shows 8 Movies

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 S...

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📺 Loudon Wainwright III's TV Shows

The Late Show with Stephen Colbert
Self
2015
Person of Interest
Sheriff Landry
2011
Saturday Night Live
Self - Musical Guest
1975
M*A*S*H
Capt. Calvin Spalding
1972
Parks and Recreation
Barry
2009
Late Night with Conan O'Brien
Self - Musical Guest
1993
According to Jim
Minister
2001
Grounded for Life
Dr. Weidlinger
2001
Austin City Limits
Self
1975
Ally McBeal
Jerome Trouper
1997
Soldier Soldier
Norman
1991
Carol & the End of the World
(voice)
2023

🎬 Loudon Wainwright III's Movies

Big Fish
Beamen
2003
The Aviator
Cocoanut Grove Vocalist #2
2004
The 40 Year Old Virgin
Priest
2005
Knocked Up
Dr. Howard
2007
G-Force
Grandpa Goodman
2009
Elizabethtown
Uncle Dale
2005
28 Days
Guitar Guy
2000
True Story
Older Man
2015

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