Ian Patrick Williams

Full Moon Rising: The Charles Band Story

2026 · Self

A Date by Christmas Eve

2019 · Danny Dougherty

Ex-Wife Killer

2017 · John Miller

Gangster Land

2017 · Writer

Amazing Ape

2017 · Colonel Ryneheart

Toys of Terror: The Making of 'Dolls'

2014 · Self

The Sound and the Shadow

2014 · Mr. McGregor

Untold

2014 · Dr. Muenzmire

The Extendables

2014 · Sir Jeffrey

Eagleheart: Paradise Rising

2013 · George Washington

Delirium

2013 · Swedish Doctor

American Bandits: Frank and Jesse James

2010

Growth

2010 · Mason Lane

Dire Wolf

2009 · Dr. Renault

The Last Resort

2009 · The Founder

Dead Game

2009 · Phil

Superhero Movie

2008 · King of Sweden

Polar Opposites

2008 · FBI Director Thompson

King of the Ants

2004 · Tony

Bleacher Bums

2001 · Theatre Play

American Tragedy

2000 · Gil Garcetti

Roseanne: An Unauthorized Biography

1994 · Dr. Allen

Donato and Daughter

1993 · Kim Lyle

The Nightmare Begins Again

1993 · Lt. Blocker

Bad Channels

1992 · Dr. Payne

The Woman Who Sinned

1991 · Alistair

Locked Up: A Mother’s Rage

1991

Not of This World

1991

Robot Jox

1990 · Phillip

Blueberry Hill

1988 · Owen Shacklford

Six Against the Rock

1987 · Lt. Bergen

Dolls

1987 · David Bower

TerrorVision

1986 · Nutky

Re-Animator

1985 · Swiss Professor

Dummy

1979 · Court Clerk

Bleacher Bums

1979 · Richie, Writer

Stony Island

1978 · Hot Guitar Dealer

Abbott Elementary

2021 · Uncle Archie

Hunters

2020 · Klaus Rhinehart

Sam & Cat

2013 · Presley

Rizzoli & Isles

2010 · Brendan McHale

Una Familia Moderna

2009 · Minister

The Starter Wife

2008 · Paul Sassen

Chuck

2007 · Mustache Man

Dexter

2006 · Stan Beaudry

Medium

2005 · Professor

Leap of Faith

2002 · Theodore

Alias

2001 · Mr. Gibson

Gilmore Girls

2000 · Professor Quincy

Strong Medicine

2000

Batman Beyond

1999 · Andrews (voice)

The New Batman Adventures

1997 · Artist / Guiseppe Bianci (voice)

Profiler

1996 · Peter Zernick

Arli$$

1996

The Louie Show

1996

Star Trek: Voyager

1995 · Doc Fitzgerald

Unhappily Ever After

1995 · Ray Paul Jones

Viper

1994 · Clarence

Diagnosis: Murder

1993 · Mr. Plargent

NYPD Blue

1993 · Dr. Bonan

Frasier

1993 · Barfly

Batman: The Animated Series

1992 · Ivan (voice)

Step by Step

1991 · Mr. Gabriel

The Fresh Prince of Bel-Air

1990 · Johnny Soccio

Alien Nation

1989 · John

Seinfeld

1989 · Stubs

Freddy's Nightmares

1988 · Lt. Timothy Blocker

Married... with Children

1987 · Beany, Inspector Fitzpatrick

Designing Women

1986

Matlock

1986 · Trevor Krause

E/R

1984

Simon & Simon

1981 · Robin Davis