
Michael Gerard Hagerty (May 10, 1954 – May 5, 2022) was an American actor. He was known for playing comedic blue-collar workers, including his recurring roles as Mr. Treeger, the building superintendent, on Friends and the manager of a muffler shop on HBO's Lucky Louie. Hagerty started acting after being invited by Jim Belushi to join the improv group The Second City. He went on to co-write and co-star in three revues on the troupe's mainstage during the 1980s (Also Available in Paperback — A Retrospective, Orwell That Ends Well, and True Midwest, or No, But I Saw the Movie). He also introduced the lyrics of "Bear Down, Chicago Bears" to its cast and had them memorize and sing the song. He subsequently began acting in films and television shows, beginning with Doctor Detroit in 1983. Hagerty became known for his mustache and thick Chicago accent. Although the majority of his career was spent in television, Hagerty had small roles in many films, and ultimately garnered over 100 acting credits throughout his career. He was recognized for his small character roles in a wide range of popular comedies, including Martin, Cheers, The Wayans Bros., Curb Your Enthusiasm, Friends, Seinfeld, and The Wonder Years. He was one of twenty actors to appear in both Friends and Seinfeld. Hagerty was also a regular on The George Carlin Show, which was his first recurring television role. One of his final acting roles was Somebody Somewhere, which he was still filming at the time of his death.
Reunited Apart
2020
N’Everest
2020
Urban Myth: Nest
2017
Helicopter Mom
2015
All-Stars
2014
Marry Me
2014
Back in the Day
2014
The Goldbergs
2013
Thin Ice
2012
A Christmas Wish
2011
Happy Endings
2011
Community
2009
Glee
2009
'Til Death
2006
Lucky Louie
2006
Ghost Whisperer
2005
Grey's Anatomy
2005
American Dad!
2005
Medium
2005
Boston Legal
2004
Complete Savages
2004
Entourage
2004
Deadwood
2004
Life with Bonnie
2002
Monk
2002
Backflash
2002
Nikki
2000
Angel
1999
Inspector Gadget
1999
Best Laid Plans
1999
Break Up
1998
Union Square
1997
Ally McBeal
1997
Space Truckers
1996
7th Heaven
1996
Arli$$
1996
The Home Court
1995
The Wayans Bros.
1995
Friends
1994
ER
1994
Good Advice
1993
Rio Diablo
1993
Martin
1992
Wayne's World
1992
V.I. Warshawski
1991
One Good Cop
1991
Get a Life
1990
American Dreamer
1990
Dick Tracy
1990
Sydney
1990
Oh No, Not Them
1989
Seinfeld
1989
Murphy Brown
1988
Dear John
1988
Red Heat
1988
The Wonder Years
1988
Overboard
1987
Crime Story
1986
The Impostor
1984
Cheers
1982
Family Ties
1982
Timber Tramps
1975



















































































