Michael C. Mahon
Acting · 66 years old
Montclair, New Jersey, USA
Known For
How I Met Your Mother
Grumpy Man
Boston Legal
Officer James Gilmore
ER
Joe
Married... with Children
Larry
The Orville
Altox
Malcolm X
Prisoner
Private Practice
Detective Smith
Brimstone
Carl Traynor
One West Waikiki
Law & Order
Will Carter
Law & Order
Policeman #2
Beyond Belief: Fact or Fiction
Mr. Baker (segment "Precious")
Scandal
Billy Joe Lee
Wall Street
Trader - Office
The King of Queens
Mike
The King of Queens
Mr. Rogers
Diagnosis: Murder
Barry McCarthy
Gridiron Gang
Field Coach
Las Vegas
Ben Wilcox
Las Vegas
Greg Randalls