Gregory Itzin

Waiter

Lou Grant(1977)

Young Reporter

Knots Landing(1979)

5.5

Val's Lawyer

Airplane!(1980)

Religious Zealot #1

Falcon Crest(1981)

4.2

Dr. Horatio Bitters

Thornwell(1981)

Polygraph Tester

St. Elsewhere(1982)

4.2

Ving Shalimar

Airplane II: The Sequel(1982)

4.9

Young Man (uncredited)

American Playhouse(1982)

Goldsmith

The Best Little Whorehouse in Texas poster

The Best Little Whorehouse in Texas(1982)

4.9

Melvin's Crew

The A-Team(1983)

Howard

The Other Woman(1983)

Mario

Night Court(1984)

Warren Karr, Mugger

Murder, She Wrote(1984)

Ralph Brewer

Tales from the Darkside(1984)

Newton

Hunter(1984)

Charlie Latimer

Hard to Hold(1984)

Owen

MacGyver(1985)

Tom Cavanaugh

Street Hawk(1985)

5.6

Harvey

Teen Wolf(1985)

English Teacher

L.A. Law(1986)

Jack Angeletti

Matlock(1986)

Charlie Tuggle, Assistant D.A., Michael Fitzmorris, Carl Richardson

21 Jump Street(1987)

Principal Jack Garner

Empty Nest(1988)

Frank

Murphy Brown(1988)

5.1

Gil Porter

Coach(1989)

5.3

Tom

Quantum Leap(1989)

6.8

Sam Phillips

The Fabulous Baker Boys(1989)

5.3

Vince Nancy

The Nutt House(1989)

Dennis

Dad(1989)

Ralph Kramer

How to Get Revenge(1989)

Officer P.F.

Beverly Hills, 90210(1990)

Father Chris

Eerie, Indiana(1991)

The Mayor

Star Trek: Deep Space Nine(1993)

6.7

Ilon Tandro, Hain

Diagnosis: Murder(1993)

Andrew King

Dave's World(1993)

Alvin

Donato and Daughter(1993)

Cornell

Moment of Truth: Stalking Back(1993)

Rick Boyer

Young Goodman Brown(1993)

George Burroughs

Friends(1994)

8.3

Theodore Hannigan

Party of Five(1994)

5.7

School Psychologist

ER(1994)

Burn Doctor

Chicago Hope(1994)

Kyle Mitchell

Something Wilder(1994)

Jack Travis

Caroline in the City(1995)

Mr. Lepner, Hank Parsons

Star Trek: Voyager(1995)

6.8

Dr. Dysek

Murder One(1995)

D.A. Roger Garfield

JAG(1995)

Lawrence Culbertson

The Client(1995)

George Sherman

Born to Be Wild(1995)

3.8

Walter Mallinson

Arli$$(1996)

Tom Gale

Suddenly Susan(1996)

Bob

The Pretender(1996)

6.1

Phil Campbell

Early Edition(1996)

6.1

Bruce Bryce

Profiler(1996)

5.7

Joel Marks

Millennium(1996)

Hans Ingram

The Practice(1997)

6.4

U.S. Attorney Al Daly, D.A. Michael Stanfield, Atty. Mark Grundel, David Anderson, Atty. Walter Pyne

Friends 'Til the End(1997)

Mr. Romley

Fear and Loathing in Las Vegas(1998)

6.9

Mint Hotel Clerk

V.I.P.(1998)

3.9

Ronnie Beeman

Brother's Keeper(1998)

Mr. Weaver

The Day Lincoln Was Shot(1998)

Mr. Crook

The West Wing(1999)

7.1

State Dept. Representative

Judging Amy(1999)

ASA Ethan Donahue

Family Law(1999)

Mr. Allero

Johnny Tsunami(1999)

4.6

Headmaster Pritchard

$30(1999)

Dad

CSI: Crime Scene Investigation(2000)

Norman Stirling

Strip Mall(2000)

Sergei

The Michael Richards Show(2000)

Matty Stillman

What's Cooking?(2000)

James Moore

Star Trek: Enterprise(2001)

Captain Sopek, Admiral Black

24(2001)

6.8

Charles Logan

Original Sin(2001)

4.7

Colonel Worth

Crossing Jordan(2001)

5.9

Andrew Helm

Evolution(2001)

4.9

Cartwright

Wolf Lake(2001)

Gerald Carter

Firefly(2002)

7.4

Magistrate Higgins

Without a Trace(2002)

Sydney's Co-Worker

Adaptation.(2002)

Prosecutor

Life or Something Like It(2002)

4.3

Dennis

The O.C.(2003)

Stephen Herbert

NCIS(2003)

Director Charlie, Spencer Downing

DC 9/11: Time of Crisis(2003)

John Ashcroft

Medical Investigation(2004)

Howard Lewson

Desperate Housewives(2004)

6.9

Dick Barrows

Boston Legal(2004)

6.7

A.D.A. Todd Milken

Medium(2005)

6.2

Senator Jed Garrity

Big Love(2006)

5.6

Senator Dwyer

Hannah Montana(2006)

5.9

William Harris

I Know Who Killed Me(2007)

2.9

Dr. Greg Jameson

The Mentalist(2008)

7.7

Virgil Minelli

Float(2008)

Ray Fulton

Law Abiding Citizen(2009)

7.1

Warden Iger

The Job(2009)

Mr. D

Hawaii Five-0(2010)

6.7

Alex Mackey

VideoDome Rent-O-Rama(2010)

Mr. Briggs

The Ides of March(2011)

Jack Stearns

Once Upon a Time(2011)

Alphonse Frankenstein

The Change-Up(2011)

5.3

Flemming Steel

L.A., I Hate You(2011)

George

Lincoln(2012)

Judge John A. Campbell

Small Time(2014)

Lennie

Room 731(2015)

Doctor Stanton, Dr. Stanton

Sensitivity Training(2016)

Barry

The Resident(2018)

7.4

Sunflower

Ice: The Movie(2018)

Joe Grantham

Dark, Deadly & Dreadful(2018)

Dr. Stanton (Room 731)

Carte Blanche(2019)

Bob Sanders

The Other Fellow(2023)