Michael C. Mahon

Side Quest

as Joshua

Fatal Affair

as Driver

A Tale of Two Coreys

as Teacher

The Orville

as Altox

His Secret Past

as Peterson

Get a Job

as Braddock

The Flight Before Christmas

as Santa Claus

Ominous

as Rachel's Doctor

High School Possession

as Coach Burdette

Gangster Squad

as Citz Hall Reporter

Christmas Twister

as Doug

Scandal

as Billy Joe Lee

Private Practice

as Detective Smith

Gridiron Gang

as Field Coach

How I Met Your Mother

as Grumpy Man

Boston Legal

as Officer James Gilmore

Tomb of Terror

as Detective Greenberg

Las Vegas

as Ben Wilcox

Las Vegas

as Greg Randalls

Brimstone

as Carl Traynor

The King of Queens

as Mike

The King of Queens

as Mr. Rogers

Beyond Belief: Fact or Fiction

as Mr. Baker (segment "Precious")

Profiler

as Adam Thompson

Shattered Mind

as Jack

Josh Kirby... Time Warrior: Last Battle for the Universe

as Donald Kirby (as Michael Mahon)

Oblivion 2: Backlash

as Sidekick

Baywatch Nights

as Clean Cut

ER

as Joe

Dark Angel: The Ascent

as Detective Greenberg

One West Waikiki

Diagnosis: Murder

as Barry McCarthy

Lois & Clark: The New Adventures of Superman

as Brian

Risk

as Security Guard

Malcolm X

as Prisoner

Law & Order

as Will Carter

Law & Order

as Policeman #2

Chameleons

as Michael

Zits

as FBI Agent in Car

Wall Street

as Trader - Office

Sleepaway Camp

as Hal

Full Moon Rising: The Charles Band Story

as Self