Links will take you to IMDB pages with further information
(2000s) (1990s) (1980s) (1970s)
- "Smallville" .... Lionel Luthor (2002-)
... aka Smallville Beginnings (USA: rerun title)
... aka Smallville: Superman the Early Years (UK: promotional title)
- Vessel (2006) TV Episode .... Lionel Luthor
- Oracle (2006) TV Episode .... Lionel Luthor
- Mercy (2006) TV Episode .... Lionel Luthor
- Void (2006) TV Episode .... Lionel Luthor
- Cyborg (2006) TV Episode .... Lionel Luthor
(63 more) - "Numb3rs"
... aka Num3ers (USA: promotional title)
- Mind Games (2006) TV Episode .... Samuel Kraft - The Civilization of Maxwell Bright (2005) .... Ogden
- Visions of Cody (2004) .... Will
- Sweet Union (2004) .... Oleen
- Tricks (2004) .... Ralph
- "Smallville: Chloe Chronicles"
- Chronicle 7 (2004) TV Episode .... Lionel Luthor - "Arli$$"
- End Game (2002) TV Episode .... Bobby - Mid-Century (2002) .... Bill Gates
- On Edge (2001/I) .... Yuri Moskivin
- "Get Real"
- Waiting (2000) TV Episode .... Fate - "Haunted History"
- Haunted Savannah (2000) TV Episode (voice) .... Narrator
- Haunted Tombstone (2000) TV Episode (voice) .... Narrator
- "Snoops"
- Pilot (1999) TV Episode .... Gary Hyndman - Macbeth in Manhattan (1999) .... Richard/Director
- "Brimstone" .... The Devil
- It's a Helluva Life (1999) TV Episode .... The Angel
- Carrier (1999) TV Episode .... The Devil
- Heat (1998) TV Episode .... The Devil - Payback (1999/I) .... Phil
- Dead Broke (1999) .... Sam
- The Tempest (1998) (TV) .... Anthony Prosper
- "The New Batman Adventures"
- Judgment Day (1998) TV Episode (voice) .... Edward Nigma/The Riddler - "Superman"
... aka Superman: The Animated Series (USA: informal alternative title)
- Knight Time (1998) TV Episode (voice) .... Edward Nygma/The Riddler - "Chicago Hope"
- Objects Are Closer Than They Appear (1998) TV Episode .... Max Demming - "Homicide: Life on the Street"
... aka Homicide (USA: informal short title)
- Lies and Other Truths (1998) TV Episode .... Nelson Broyles - The Broken Giant (1998) .... Bennett Hale
- Dead by Midnight (1997) (TV) .... Dr. Armond Drake/Ben Hamill
- Medusa's Child (1997) (TV) .... Rogers Henry
- Batman & Robin (1997) .... Doctor Jason Woodrue
- Dead Man's Gun (1997) (TV) .... Jack Fleetwood (segment "Fool's Gold")
- "Caroline in the City"
... aka Caroline (USA: promotional abbreviation)
- Caroline and the Dearly Departed (1997) TV Episode .... Hilton Traynor - Love! Valour! Compassion! (1997) .... John Jeckyll, James Jeckyll
- "Remember WENN"
- Hilary Booth, Registered Nurse (1996) TV Episode .... Adrian Carr - In the Mouth of Madness (1995) .... Saperstein
... aka John Carpenter's In the Mouth of Madness (USA: complete title) - "Batman"
... aka Batman: The Animated Series (USA: promotional title)
... aka The Adventures of Batman & Robin (USA: new title)
- Riddler's Reform (1994) TV Episode (voice) .... Edward Nygma/The Riddler
- What Is Reality? (1992) TV Episode (voice) .... Edward Nygma/The Riddler
- If You're So Smart, Why Aren't You Rich? (1992) TV Episode (voice) .... Edward Nygma/The Riddler - Assault at West Point: The Court-Martial of Johnson Whittaker (1994) (TV) .... Maj. Asa Bird Gardiner
... aka Assault at Westpoint (USA: short title) - Automatic (1994) .... Goddard Marx
- Night of the Running Man (1994) .... Derek Mills
- Home (1994/I)
- Schemes (1994) (V) .... Victor Kraft
- Dora Was Dysfunctional (1994)
- "Frasier"
- Oops (1993) TV Episode .... Ned Miller - "Star Trek: Deep Space Nine"
... aka DS9 (USA: promotional abbreviation)
... aka Deep Space Nine (USA: short title)
... aka Star Trek: DS9 (USA: short title)
- Invasive Procedures (1993) TV Episode .... Verad - "Animaniacs"
... aka Animaniacs (UK)
... aka Steven Spielberg Presents Animaniacs (USA: complete title)
- Pavlov's Mice/Nothing But the Tooth (1993) TV Episode (voice) .... Rasputin (segment "Nothing But the Tooth") - "The Hidden Room"
- Passages (1993) TV Episode .... John Burke - "South Beach" (1993) TV Series .... Roberts
- Ed and His Dead Mother (1993) .... A.J. Pattle
... aka Bon Appetit, Mama (UK)
... aka Motherhood (UK: video title) - "Dinosaurs"
- Wilderness Weekend (1992) TV Episode (voice) .... Prosecutor
- The Last Temptation of Ethel (1992) TV Episode (voice) .... Lucius - Majority Rule (1992) (TV) .... 'Mac' Mackin
- "The Ray Bradbury Theater"
... aka Monde fantastique de Ray Bradbury, Le (Canada: French title)
... aka Mystery Theatre (UK: rerun title)
... aka Ray Bradbury présente (France)
... aka The Bradbury Trilogy (UK: rerun title)
... aka The Ray Bradbury Theatre (UK)
- Silent Towns (1992) TV Episode .... Walter Grip - Grass Roots (1992) (TV) .... Harold Perkerson
- Drug Wars: The Cocaine Cartel (1992) (TV) .... Loco Garrison
- "Tales from the Crypt"
... aka HBO's Tales from the Crypt
- Undertaking Pallor (1991) TV Episode .... Undertaker - Dead On the Money (1991) (TV) .... Russell Blake
- A Season of Giants (1991) (TV) .... Leonardo DaVinci
... aka Michelangelo: The Last Giant - What Ever Happened to Baby Jane? (1991) (TV) .... Billy
... aka What Ever Happened to...? (USA) - "L.A. Law"
- God Rest Ye Murray Gentleman (1990) TV Episode .... Dr. Paul Kohler - El Diablo (1990) (TV) .... The Preacher
- RoboCop 2 (1990) .... Magnavolt Salesman
- Gremlins 2: The New Batch (1990) .... Daniel Clamp
- An Enemy of the People (1990) (TV) .... Dr. Thomas Stockman
- "The Hitchhiker"
... aka Voyageur, Le (France)
- Striptease (1989) TV Episode - Meet the Hollowheads (1989) .... Henry Hollowhead
... aka Life on the Edge - Breaking Point (1989) (TV) .... Dr. Gerber
- Traveling Man (1989) (TV) .... Chick Beeler
- "The Days and Nights of Molly Dodd"
- Here's Why You Should Lock Your Bathroom Door (1989) TV Episode .... Mike Sayles - Pursuit (1989) (TV) .... Max Brodsky
... aka Twist of Fate (USA) - Scrooged (1988) .... Brice Cummings
- The Chocolate War (1988) .... Brother Leon
- David (1988) (TV) .... Charles Rothenberg
- Rocket Gibraltar (1988) .... Rolo Rockwell
- Hot Paint (1988) (TV) .... Algernon
- Masquerade (1988) .... Tony Gateworth
- Moving Target (1988) (TV) .... Dobbins
- "Murder, She Wrote"
- When Thieves Fall Out (1987) TV Episode .... Andrew Durbin
- One White Rose for Death (1986) TV Episode .... Franz Mueller - "Miami Vice"
- Lend Me an Ear (1987) TV Episode .... Steve Duddy - "Nutcracker: Money, Madness & Murder" (1987) (mini) TV Series .... Richard Behrens
- Willy/Milly (1986) .... Fred Niceman
... aka I Was a Teenage Boy
... aka Something Special - 52 Pick-Up (1986) .... Alan Raimy
- Apology (1986) (TV) .... Philip
... aka Apology for Murder (UK) - A Killing Affair (1986) .... Sheb Sheppard
... aka My Sister's Keeper (UK) - "The Twilight Zone"
- Monsters!/A Small Talent for War/A Matter of Minutes (1986) TV Episode .... Alien Ambassador (segment "A Small Talent for War") - White Nights (1985) .... Wynn Scott
- An Early Frost (1985) (TV) .... Victor DiMato
- Don't Touch (1985) (TV) .... Mr. Stewart
- A Flash of Green (1984) .... Rose Halley
- Ernie Kovacs: Between the Laughter (1984) (TV) .... Pierre Lafitte
- "George Washington" (1984) (mini) TV Series .... Gen. Charles Lee
- The Evil That Men Do (1984) .... Paul Briggs, U.S. Embassy
- "Search for Tomorrow" (1951) TV Series .... Billy Vargas (1983-1984)
- "Kennedy" (1983) (mini) TV Series .... William Walton
- The Face of Rage (1983) (TV)
- Rage of Angels (1983) (TV) .... Scanlon/Jackson
... aka Sidney Sheldon's Rage of Angels - A Little Sex (1982) .... Walter
- The Incredible Shrinking Woman (1981) .... Tom Keller
- Melvin and Howard (1980) .... 2nd Attorney (Freese)
- The Mountain Men (1980) .... Nathan Wyeth
- The American Success Company (1980) .... Ernst
... aka American Success
... aka Good as Gold (USA: video title)
... aka Success (USA: recut version)
... aka The Ringer
- Last Embrace (1979) .... Richard Peabody
- Under This Sky (1979) (TV)
- Somebody Killed Her Husband (1978) .... Herbert Little
- Julia (1977) .... Sammy
- "The Andros Targets"
- The Surrender (1977) TV Episode - Annie Hall (1977) .... Actor Boyfriend
- "Kojak"
- Elegy in an Asphalt Graveyard (1975) TV Episode .... Billy Jo Sparrow - Shamus (1973) .... Johnnie
... aka Passion for Danger
Awards and Nominations
2004:
Saturn Award Nomination - Best Supporting Actor in a Television Series for "Smallville".
2003:
Saturn Award Nomination - Best Supporting Actor in a Television Series for "Smallville".
1994:
Emmy Award Nomination - Outstanding Guest Actor in a Comedy Series for "Frasier" (for playing "Ned Miller" in the episode "Oops".)
1993:
Emmy Award Nomination - Outstanding Guest Actor in a Drama Series for "Crime & Punishment" (for playing "Dennis Atwood" in the episode "Best Laid Plans (Prototype)".)
1991:
Saturn Award Nomination - Best Supporting Actor for Gremlins 2: The New Batch.
Emmy Award Nomination - Outstanding Guest Actor in a Drama Series for "L.A. Law" (for playing "Dr. Paul Kohler" in the episode "God Rest Ye Murray Gentleman".)
1987:
Emmy Award Nomination - Outstanding Supporting Actor in a Miniseries or a Special for "Nutcracker: Money, Madness & Murder".
1986:
Emmy Award Nomination - Outstanding Supporting Actor in a Miniseries or a Special for "An Early Frost".