John Soursby Glover Jr. (born August 7, 1944) is an American actor, perhaps best known for a range of villainous roles in films and television, including Lionel Luthor on the Superman-inspired television series Smallville.

Filmography

• 2026Woodstockers — Jupiter
• 2025A Natural Selection — Donald Spar
• 2025The Home — Lou
• 2025The Motorcycle Man — Pat
• Gremlins: Secrets of the Mogwai — Rodney (voice)
• 2022Fatal Influence: Like. Follow. Survive. — The Grand Zel
• Fear the Walking Dead: Dead in the Water — Teddy Maddox
• And Just Like That… — Elliot
• Evil — Byron Duke
• 2019Shazam! — Mr. Sivana
• Tales of the City — Bill Schwartz
• The Good Fight — Jared Andrews
• 2017The Lost Wife of Robert Durst — Seymour Durst
• Lucifer — Peter Peterson
• 2016We Go On — Dr. Ellison
• Fear the Walking Dead — Teddy Maddox
• Marvel's Agent Carter — SSR Informant
• 2015Reality — Zog
• 2015You Bury Your Own — Detective Gillespie
• 2013Sanitarium — Gustav
• 2013Sweet Talk — Professor / Count
• The Blacklist — Dr. Bruce Sanders
• Perception — The Devil
• The Good Wife — Jared Andrews
• Brothers and Sisters — Henry Mittner
• Heroes — Samson Gray
• Medium — Carson Churchill
• Numb3rs — Simon Kraft
• 2005The Civilization of Maxwell Bright — Ogden
• 2004Tricks — Ralph
• 2002Smallville — Lionel Luthor
• Law & Order: Criminal Intent — Declan Gage
• 2001On Edge — Yuri Moskvin
• Smallville — Lionel Luthor
• Get Real — Fate
• 1999Payback — Phil
• Snoops — Gary Hyndman
• Brimstone — The Devil
• 1998Dead Broke — Sam
• Haunted History
• 1998The Tempest — Anthony Prosper
• 1997Batman & Robin — Dr. Jason Woodrue
• 1997Dead by Midnight — Dr. Armand Drake / Ben Hamill
• 1997Love! Valour! Compassion! — John & James Jeckyll
• 1997Medusa's Child — Rogers Henry
• 1997The Broken Giant — Bennett Hale
• The New Batman Adventures — The Riddler (voice)
• Arli$$ — Bobby Salmon
• Remember WENN — Adrian Carr
• Superman: The Animated Series — The Riddler (voice)
• 1995Automatic — Goddard Marx
• Caroline in the City — Hilton Traynor
• 1995In the Mouth of Madness — Saperstein
• 1995Night of the Running Man — Derek Mills
• Pinky and the Brain
• 1994Assault at West Point: The Court-Martial of Johnson Whittaker — Maj. Asa Bird Gardiner
• Chicago Hope — Max Demming
• 1994Schemes — Victor Kraft
• Animaniacs — Rasputin (voice)
• 1993Ed and His Dead Mother — A.J. Pattle
• Frasier — Ned Miller
• Homicide: Life on the Street — Nelson Broyles
• South Beach — Roberts
• Star Trek: Deep Space Nine — Verad
• Batman: The Animated Series — The Riddler (voice)
• 1992Drug Wars: The Cocaine Cartel — Loco Garrison
• Drug Wars: The Cocaine Cartel — Loco Garrison
• 1992Grass Roots — Harold Perkerson / Jason Ross
• 1992Majority Rule — Bradley Mackin
• 1991Dead on the Money — Russell Blake
• Dinosaurs — Lucius (voice), Prosecutor (voice), Babysitter (voice)
• The Hidden Room — John Burke
• The Legend of Prince Valiant
• 1991What Ever Happened to Baby Jane? — Billy Korn
• American Dreamer
• 1990An Enemy of the People — Dr. Thomas Stockman
• 1990El Diablo — The Preacher
• 1990Gremlins 2: The New Batch — Daniel Clamp
• 1990Home — Eric Hochmann
• 1990RoboCop 2 — Magnavolt Salesman
• 1989Breaking Point — Dr. Gerber
• 1989Meet the Hollowheads — Henry Hollowhead
• Tales from the Crypt — Undertaker
• 1989Traveling Man — Chick Beeler
• Twist of Fate — Max Brodsky
• 1988David — Charles Rothenberg
• 1988Hot Paint — Algernon
• 1988Masquerade — Tony Gateworth
• 1988Moving Target — Dobbins
• 1988Rocket Gibraltar — Rolo Rockwell
• 1988Scrooged — Bryce Cummings
• 1988The Chocolate War — Brother Leon
• Nutcracker: Money, Madness & Murder — Richard Behrens
• 1987Paul Reiser: Out on a Whim
• The Days and Nights of Molly Dodd — Mike Sayles
• 198652 Pick-Up — Alan Raimy
• 1986Apology — Philip
• L.A. Law — Dr. Paul Kohler
• 1986Willy/Milly — Fred Niceman
• 1985A Killing Affair — Sheb Sheppard
• 1985An Early Frost — Victor DiMato
• 1985Don't Touch — Mr. Stewart
• Lime Street
• The Ray Bradbury Theater
• The Twilight Zone — Alien Ambassador (segment "A Small Talent for War")
• 1985White Nights — Wynn Scott
• 1984A Flash of Green — Ross Halley
• 1984Ernie Kovacs: Between the Laughter — Pierre Lafitte
• Miami Vice — Steve Duddy
• Murder, She Wrote — Franz Mueller, Andrew Durbin
• 1984The Evil That Men Do — Paul Briggs, U.S. Embassy
• Rage of Angels — Scanlon / Jackson
• 1983The Face of Rage
• The Hitchhiker — Miles Duchet
• 1982A Little Sex — Walter
• American Playhouse — Ross Hailey, Dr. Thomas Stockman
• 1981The Incredible Shrinking Woman — Tom Keller
• 1980Melvin and Howard — 2nd Attorney (Freese)
• 1980The American Success Company — Ernst
• 1980The Mountain Men — Nathan Wyeth
• 1979Last Embrace — Richard Peabody
• 1978Somebody Killed Her Husband — Herbert Little
• 1977Annie Hall — Actor Boy Friend
• 1977Julia — Sammy
• The Andros Targets — Wiggs
• Kojak — Billy Jo
• 1973Shamus — Johnnie Brosten
• ABC Afterschool Special — Mr. Stewart

Appearances as themselves (1)

• 2018Every Act of Life — Self