Curtis Armstrong

Law & Order: Special Victims Unit

Robert Fischer

Supernatural

Metatron

Grey's Anatomy

Robert Martin

House

Paul Richter

CSI: Crime Scene Investigation

Clint Pudder

Bones

Oscar Schultz

American Dad!

Snot Lonstein (voice)

American Dad!

Snot Lonstein / Eli Weisel (voice)

American Dad!

Frank, the Judge (voice)

American Dad!

The Closer

Peter Goldman

Psych

Jervis

Curb Your Enthusiasm

Computer Guy

New Girl

Principal Foster

That '70s Show

Barry Donovan

Ghost Whisperer

Harold

Scandal

Attorney Cole

Diagnosis: Murder

Dr. Morton Freberger

Boston Legal

Zachary Simon

iCarly

Store Clerk

MacGyver

Pawn

Crossing Jordan

Herb / The Punisher

Las Vegas

Arnold Peters

3rd Rock from the Sun

Ken Fretts

My Name Is Earl

Chaz Dalton

Doom Patrol

Ezekiel the Cockroach (voice)

Moonlighting

Herbert Viola

Moonlighting

Lucentio

Hot in Cleveland

Clark

Lois & Clark: The New Adventures of Superman

Albie Swinson

Batman Beyond

Warren (voice)

V.I.P.

Rodney

Wizards of Waverly Place

Justin's Zit

Felicity

Danny

Workaholics

Richard Ottmar

Ally McBeal

Tiny Tim Fallow

Rules of Engagement

Curtis Armstrong

Ellen

Tom

Grounded for Life

Curtis

Jingle All the Way

Chain Smoking Booster

Monsters at Work

Mr. Crummyham (voice)

Celebrity Ghost Stories

Self

Blue Mountain State

Ronnie Hayes

The Wonderful World of Disney

Bert Miller

The Hunger

Bart Brookman

One on One

Matt

Cybill

Charlie

DodgeBall: A True Underdog Story

Mr. Ralph

Penn Zero: Part-Time Hero

Super Amazing Bouncy Ball (voice)

Project Viper

Keach

Joan of Arcadia

Security Guard God

Ed

Mr. Cheswick

The Emperor's New School

Mr. Moleguaco (voice)

Spy Hard

Pastry Chef

Reaper

Russel

Stumptown

Chuck Drakner / Jim Force

Cocktails & Dreams

Booger

Dream On

Pete LaSalle

My Dinner with Jimi

Herb Cohen

American Scary

Himself

The Forgotten

Louis

TripTank

Candy Van Man (voice)

Parker Lewis Can't Lose

Curtis Armstrong

Beer for My Horses

D.A. Levine

The Riches

L.A. Doctors

Charlie Fielding

American Pie Presents: The Book of Love

Mr. O'Donnell

Elvis Meets Nixon

Farley Hall

Good Morning, Miami

Jeweler

$#*! My Dad Says

Carl

Robot and Monster

Robot DeFault / Marf (voice)

Planes: Fire & Rescue

Maru (voice)

Suddenly Susan

Harvey

In Justice

L.A. Johns

'Big' Ben

Safety Patrol!

Bert Miller

Big Bully

Clark

Brimstone

Jimmy G.

National Lampoon's Van Wilder

Campus Cop

Smokin' Aces

Morris Mecklen

Dan Vs.

Dan (voice)

Oliver Beene

Hobo Bob

Risky Business

Miles Dalby

Ray

Ahmet Ertegun

Quigley

Dexter Pearlsley

Bound & Babysitting

Steve

The Chronicle

Sal 'Pig Boy'

Southland Tales

Dr. Soberin Exx

Stroker and Hoop

Double-Wide / Pepe Peepee (voice)

Stroker and Hoop

Double-Wide / Zombie Ken / Bear Collector (voice)

Stroker and Hoop

Double-Wide / Old Woman (voice)

Stroker and Hoop

Double-Wide / Deputy (voice)

Stroker and Hoop

Double-Wide / Grobbit 2 / Pool Cleaner (voice)

Stroker and Hoop

Double-Wide (voice)

Sparkle

Larry

Grand

Yale Pinhaus

High School

Mr. Thompson

Revenge of the Nerds

'Booger' Dawson

First Wives Club

Self

Glory Daze

Morty Feldman

Rock Me Baby

Bob

Pucked

Janitor

Darnell Dawkins: Mouth Guitar Legend

Governor Gabe Gaithright

Me, Eloise

(voice)

Irish Eyes

Brodrick Dooley

The Gold Retrievers

The Professor

Man of the House

Morgan Ball

Better Off Dead...

Charles De Mar

Champaign Ill

Burt

USIDent TV: Surveilling the Southland

Self

Route 30

Ned

Flypaper

Mitchell Wolf

Legally Blondes

Mr. Golden

Akeelah and the Bee

Mr. Welch

Shredderman Rules

Mayor Izzo

King of the Nerds

Self - Host

The Adventures of Huck Finn

Country Jake

The Clan of the Cave Bear

Goov

Bucky Larson: Born to Be a Star

Clint

Malibu Rescue

Mr. Rathbone

One Crazy Summer

Ack Ack Raymond

Big Shorts Mouse

Small Hats Dog (voice)

Hit List

Mr. Button

Revenge of the Nerds II: Nerds in Paradise

Dudley Booger Dawson

Gumshoe

Highston

Uncle Billy

How I Got Into College

Arcadia Bible Academy Recruiter (uncredited)

Revenge of the Nerds III: The Next Generation

Dudley 'Booger' Dawson, Esq.

Malibu Rescue: The Next Wave

Mr. Rathbone

Revenge of the Nerds IV: Nerds in Love

'Booger' Dawson

The Seat Filler

LaJean

Foreign Exchange

Marvin

Bad Medicine

Dennis Gladstone

Border to Border

Man in Diner

Dead Guy

The Dream is Always the Same: The Story of Risky Business

Self

Return to the Batcave: The Misadventures of Adam and Burt

Jerry the Butler

Gale Force

Steven Chaney

Gale Force

Steve Chaney

Beethoven's Christmas Adventure

Kenny

The Dog Who Saved Halloween

Max

Locker 13

Clifford

Ratko: The Dictator's Son

Dushkan

Moola

Jonas

Public Enemy #2

Ivan Delbert

Hi Honey - I'm Dead

Arnold Pishkin