John Glover

Mr. Stewart

Kojak(1973)

Billy Jo

Shamus(1973)

Johnnie Brosten

Annie Hall(1977)

Actor Boy Friend

The Andros Targets(1977)

Wiggs

Julia(1977)

5.1

Sammy

Somebody Killed Her Husband(1978)

Herbert Little

Last Embrace(1979)

Richard Peabody

The American Success Company(1980)

Ernst

Melvin and Howard(1980)

5.2

2nd Attorney (Freese)

The Mountain Men(1980)

4.5

Nathan Wyeth

The Incredible Shrinking Woman(1981)

3.9

Tom Keller

A Little Sex(1982)

Walter

The Hitchhiker(1983)

Miles Duchet

Rage of Angels(1983)

Scanlon / Jackson

Murder, She Wrote(1984)

6.3

Franz Mueller, Andrew Durbin

Miami Vice(1984)

6.2

Steve Duddy

The Evil That Men Do(1984)

4.4

Paul Briggs, U.S. Embassy

A Flash of Green(1984)

Ross Halley

Ernie Kovacs: Between the Laughter poster

Ernie Kovacs: Between the Laughter(1984)

Pierre Lafitte

The Twilight Zone(1985)

6.5

Alien Ambassador (segment "A Small Talent for War")

A Killing Affair(1985)

Sheb Sheppard

White Nights(1985)

5.4

Wynn Scott

An Early Frost(1985)

Victor DiMato

L.A. Law(1986)

Dr. Paul Kohler

52 Pick-Up(1986)

4.6

Alan Raimy

Willy/Milly(1986)

Fred Niceman

Apology(1986)

Philip

The Days and Nights of Molly Dodd poster

The Days and Nights of Molly Dodd(1987)

Mike Sayles

Scrooged(1988)

Bryce Cummings

The Chocolate War(1988)

4.9

Brother Leon

Masquerade(1988)

4.2

Tony Gateworth

Rocket Gibraltar(1988)

Rolo Rockwell

David(1988)

Charles Rothenberg

Moving Target(1988)

Dobbins

Hot Paint(1988)

Algernon

Tales from the Crypt(1989)

Undertaker

Meet the Hollowheads(1989)

Henry Hollowhead

Twist of Fate(1989)

Max Brodsky

Traveling Man(1989)

Chick Beeler

Breaking Point(1989)

Dr. Gerber

Gremlins 2: The New Batch(1990)

Daniel Clamp

RoboCop 2(1990)

4.8

Magnavolt Salesman

El Diablo(1990)

The Preacher

Dinosaurs(1991)

Lucius (voice), Prosecutor (voice), Babysitter (voice)

The Hidden Room(1991)

John Burke

What Ever Happened to Baby Jane?(1991)

Billy Korn

Dead on the Money(1991)

Russell Blake

Batman: The Animated Series(1992)

7.6

The Riddler (voice)

Drug Wars: The Cocaine Cartel(1992)

Loco Garrison

Drug Wars: The Cocaine Cartel(1992)

Loco Garrison

Grass Roots(1992)

Harold Perkerson / Jason Ross

Majority Rule(1992)

Bradley Mackin

Animaniacs(1993)

Rasputin (voice)

Star Trek: Deep Space Nine(1993)

6.7

Verad

Frasier(1993)

6.5

Ned Miller

Homicide: Life on the Street(1993)

6.9

Nelson Broyles

South Beach(1993)

Roberts

Ed and His Dead Mother(1993)

4.1

A.J. Pattle

Chicago Hope(1994)

Max Demming

Assault at West Point: The Court-Martial of Johnson Whittaker poster

Assault at West Point: The Court-Martial of Johnson Whittaker(1994)

Maj. Asa Bird Gardiner

Schemes(1994)

Victor Kraft

Caroline in the City(1995)

Hilton Traynor

In the Mouth of Madness(1995)

6.1

Saperstein

Automatic(1995)

Goddard Marx

Night of the Running Man(1995)

4.3

Derek Mills

Arli$$(1996)

Bobby Salmon

Superman: The Animated Series(1996)

6.4

The Riddler (voice)

Remember WENN(1996)

Adrian Carr

Batman & Robin(1997)

3.8

Dr. Jason Woodrue

The New Batman Adventures(1997)

The Riddler (voice)

Medusa's Child(1997)

Rogers Henry

Love! Valour! Compassion!(1997)

4.8

John & James Jeckyll

Dead by Midnight(1997)

Dr. Armand Drake / Ben Hamill

The Broken Giant(1997)

Bennett Hale

Brimstone(1998)

The Devil

The Tempest(1998)

Anthony Prosper

Dead Broke(1998)

Sam

Payback(1999)

Phil

Snoops(1999)

Gary Hyndman

Get Real(1999)

Fate

Law & Order: Criminal Intent(2001)

6.4

Declan Gage

Smallville(2001)

7.5

Lionel Luthor

On Edge(2001)

Yuri Moskvin

Smallville(2002)

Lionel Luthor

Medium(2005)

6.2

Carson Churchill

Numb3rs(2005)

Simon Kraft

The Civilization of Maxwell Bright poster

The Civilization of Maxwell Bright(2005)

Ogden

Brothers and Sisters(2006)

Henry Mittner

Heroes(2006)

6.7

Samson Gray

The Good Wife(2009)

6.3

Jared Andrews

Perception(2012)

5.9

The Devil

The Blacklist(2013)

6.9

Dr. Bruce Sanders

Sanitarium(2013)

3.1

Gustav

Sweet Talk(2013)

Professor / Count

Marvel's Agent Carter(2015)

6.5

SSR Informant

Fear the Walking Dead(2015)

7.4

Teddy Maddox

Reality(2015)

Zog

You Bury Your Own(2015)

Detective Gillespie

Lucifer(2016)

8.3

Peter Peterson

We Go On(2016)

4.4

Dr. Ellison

The Good Fight(2017)

6.3

Jared Andrews

The Lost Wife of Robert Durst(2017)

Seymour Durst

Evil(2019)

Byron Duke

Tales of the City(2019)

5.5

Bill Schwartz

Shazam!(2019)

6.7

Mr. Sivana

And Just Like That…(2021)

Elliot

Fear the Walking Dead: Dead in the Water poster

Fear the Walking Dead: Dead in the Water(2022)

Teddy Maddox

Fatal Influence: Like. Follow. Survive. poster

Fatal Influence: Like. Follow. Survive.(2022)

The Grand Zel

Gremlins: Secrets of the Mogwai(2023)

Rodney (voice)

The Home(2025)

5.4

Lou

The Motorcycle Man(2025)

Pat

A Natural Selection(2025)

Donald Spar

Woodstockers(2026)