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Acting
Michael C. Mahon
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Born November 17, 1959 (66)
Montclair, New Jersey, USA
41 credits
IMDb
Known for
Gangster Squad
2013 · as Citz Hall Reporter
Wall Street
1987 · as Trader - Office
Malcolm X
1992 · as Prisoner
Mercy
2026 · as Booking Sergeant
Gridiron Gang
2006 · as Field Coach
Sleepaway Camp
1983 · as Hal
Get a Job
2016 · as Braddock
Dark Angel: The Ascent
1994 · as Detective Greenberg
Fatal Affair
2020 · as Driver
Series
How I Met Your Mother
2005 · as Grumpy Man · 1 ep
Series
ER
1994 · as Joe · 2 ep
The Flight Before Christmas
2015 · as Santa Claus
Acting
41
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41
Films
24
Series
17
Talk shows & appearances
Series
Law & Order
1990 · as Will Carter · 1 ep
Series
Diagnosis: Murder
1993 · as Barry McCarthy · 2 ep
Series
Married... with Children
1987 · as Larry · 1 ep
Series
How I Met Your Mother
2005 · as Grumpy Man · 1 ep
Series
ER
1994 · as Joe · 2 ep
Series
Scandal
2012 · as Billy Joe Lee · 1 ep
Series
Boston Legal
2004 · as Officer James Gilmore · 1 ep
Series
The King of Queens
1998 · as Mike · 1 ep
Series
The Orville
2017 · as Altox · 1 ep
Series
Las Vegas
2003 · as Ben Wilcox · 1 ep
Series
Private Practice
2007 · as Detective Smith · 1 ep
Series
Lois & Clark: The New Adventures of Superman
1993 · as Brian · 1 ep
Series
Profiler
1996 · as Adam Thompson · 1 ep
Series
Baywatch Nights
1995 · as Clean Cut · 1 ep
Mercy
2026 · as Booking Sergeant
Series
Brimstone
1998 · as Carl Traynor · 1 ep
Series
One West Waikiki
1994 · Cast · 1 ep
Series
Side Quest
2025 · as Joshua · 1 ep
Wall Street
1987 · as Trader - Office
Gangster Squad
2013 · as Citz Hall Reporter
Gridiron Gang
2006 · as Field Coach
Malcolm X
1992 · as Prisoner
Sleepaway Camp
1983 · as Hal
Get a Job
2016 · as Braddock
Fatal Affair
2020 · as Driver
The Flight Before Christmas
2015 · as Santa Claus
Shattered Mind
1996 · as Jack
Kidnapped: The Hannah Anderson Story
2015 · as Reporter 1
Dark Angel: The Ascent
1994 · as Detective Greenberg
A Tale of Two Coreys
2018 · as Teacher
Chameleons
1989 · as Michael
Risk
1993 · as Security Guard
Full Moon Rising: The Charles Band Story
2026 · as Self
Josh Kirby... Time Warrior: Last Battle for the Universe
1996 · as Donald Kirby (as Michael Mahon)
His Secret Past
2016 · as Peterson
Christmas Twister
2012 · as Doug
Show more (5)
Montclair, New Jersey, USA
