Acting
Michael C. Mahon
Nov 17, 1959 (66 years) Montclair, New Jersey, USA
Known for
8.1
How I Met Your Mother
Grumpy Man
7.3
Law & Order
Will Carter
7.7
Married... with Children
Larry
7.8
ER
Joe
7.6
The Orville
Altox
6.4
Gangster Squad
Citz Hall Reporter
7.2
The King of Queens
Mike
7.2
Scandal
Billy Joe Lee
7.9
Boston Legal
Officer James Gilmore
7.1
Mercy
Booking Sergeant
6.9
Lois & Clark: The New Adventures of Superman
Brian
7.2
Wall Street
Trader - Office
7.5
Private Practice
Detective Smith
7.0
Las Vegas
Ben Wilcox
7.1
Diagnosis: Murder
Barry McCarthy
Filmography
7.1
Mercy
2026 · Booking Sergeant
Full Moon Rising: The Charles Band Story
2026 · Self
5.8
Side Quest
2025 · Joshua
5.7
Fatal Affair
2020 · Driver
6.1
A Tale of Two Coreys
2018 · Teacher
7.6
The Orville
2017 · Altox
5.3
Get a Job
2016 · Braddock
6.4
His Secret Past
2016 · Peterson
5.4
The Flight Before Christmas
2015 · Santa Claus
4.6
Ominous
2015 · Rachel's Doctor
6.1
Kidnapped: The Hannah Anderson Story
2015 · Reporter 1
5.2
High School Possession
2014 · Coach Burdette
6.4
Gangster Squad
2013 · Citz Hall Reporter
7.2
Scandal
2012 · Billy Joe Lee
4.9
Christmas Twister
2012 · Doug
7.5
Private Practice
2007 · Detective Smith
7.1
Gridiron Gang
2006 · Field Coach
8.1
How I Met Your Mother
2005 · Grumpy Man
7.9
Boston Legal
2004 · Officer James Gilmore
3.3
Tomb of Terror
2004 · Detective Greenberg
7.0
Las Vegas
2003 · Ben Wilcox
7.2
The King of Queens
1998 · Mike
7.5
Brimstone
1998 · Carl Traynor
7.0
Profiler
1996 · Adam Thompson
4.3
Oblivion 2: Backlash
1996 · Sidekick
4.7
Shattered Mind
1996 · Jack
6.4
Josh Kirby... Time Warrior: Last Battle for the Universe
1996 · Donald Kirby (as Michael Mahon)
6.0
Baywatch Nights
1995 · Clean Cut
7.8
ER
1994 · Joe
5.6
Dark Angel: The Ascent
1994 · Detective Greenberg