Peter Frederick Weller (born June 24, 1947) is an American film and stage actor, director and lecturer. He is best known for his roles as the title character in the first two RoboCop films and Buckaroo Banzai in the cult classic The Adventures of Buckaroo Banzai Across the 8th Dimension. He received an Academy Award nomination for his direction for the 1993 short Partners, in which he also acted. He also hosted the show Engineering an Empire on the History channel. He played Stan Liddy in the 5th Season of the Showtime original series, Dexter.

Filmography

• 2026THE FURTHER MIS-ADVENTURES OF CLIFF BOOTH
• 2025Bang — Morgan Cutter
• Marvel's Moon Girl and Devil Dinosaur — Dr. Stern (voice)
• Rabbit Hole — Distinguished Man (voice)
• Guillermo del Toro's Cabinet of Curiosities — Lionel Lassiter
• Forever — The Traveler
• Magnum P.I. — Director
• Mayans M.C. — Director
• Mr. Mercedes — Director
• 2017Yamasong: March of the Hollows — Brujt (voice)
• Game of Silence — Director
• MacGyver — Elliot Mason, Director
• Outsiders — Director
• Rush Hour — Director
• Shades of Blue — Director
• 2015It's Better in Italian — Narrator (voice)
• 2015The Tao of Buckaroo
• 2014Repentance — Meyer
• 2014Skin Trade — Costello
• The Last Ship — Dr. Paul Vellek, Director
• The Strain — Director
• Tyrant — Director
• 2013Batman: The Dark Knight Returns — Bruce Wayne / Batman (voice)
• 2013Batman: The Dark Knight Returns, Part 2 — Batman / Bruce Wayne (voice)
• Sleepy Hollow — Director
• 2013Star Trek Into Darkness — Admiral Alexander Marcus
• Under the Dome — Director
• 2012Batman: The Dark Knight Returns, Part 1 — Batman / Bruce Wayne (voice)
• 2012Dragon Eyes — Mr. V
• Longmire — Lucian Connally, Director
• 2011Forced To Fight — Danny G.
• Franklin & Bash — Bert Mazzani
• 2010God of War: Unearthing the Legend — Host
• Hawaii Five-0 — Curt Stoner, Director, Writer
• 2010Once Fallen — Eddie
• Fringe — Alistair Peck
• Sons of Anarchy — Charles 'Charlie' Barosky, Director
• 2007Prey — Tom Newman
• Dexter — Stan Liddy
• 2006Egypt: Engineering an Empire — Host
• Psych — Yin / Karl Rotmensen
• 2006The Hard Easy — Ed Koster
• 2005The Poseidon Adventure — Captain Paul Gallico
• 2005Undiscovered — Wick Treadway
• House — Dr. Penza, Director
• Las Vegas — Director
• The Handler
• 2003The Order — Driscoll
• Monk — Actor Playing Stottlemeyer, Director
• Odyssey 5 — Chuck Taggart, Director
• 24 — Christopher Henderson
• Star Trek: Enterprise — John Frederick Paxton
• 2001Styx — Nelson
• 2000Contaminated Man — Joseph Müller
• 2000Dark Prince: The True Story of Dracula — Father Stefan
• 2000Falling Through — Lou
• 2000Shadow Hours — Stuart Chappell
• 2000ivans xtc. — Don West
• 1999Diplomatic Siege — Steve Parker
• 1998Tower of the First Born — John Shannon
• 1997End of Summer — Theo Remmington
• 1997Gold Coast — Director, Executive Producer
• 1997Top of the World — Ray Mercer
• 1995Beyond the Clouds — Husband
• 1995Decoy — Baxter
• 1995Mighty Aphrodite — Jerry Bender
• 1995Screamers — Colonel Hendricksson
• 1994Lakota Woman: Siege at Wounded Knee — Uncredited
• 1994The New Age — Peter Witner
• 1994The Substitute Wife — Martin Hightower
• 1993Fifty/Fifty — Jake Wyer
• Homicide: Life on the Street — Director
• 1993Partners — Doctor, Director, Teleplay
• 1993Sunset Grill — Ryder Hart
• 1991Naked Lunch — Bill Lee
• 1991Road to Ruin — Jack Sloan
• 1990Rainbow Drive — Mike Gallagher
• 1990RoboCop 2 — RoboCop
• 1990Women and Men: Stories of Seduction — Hobie (segment "Dusk Before Fireworks")
• 1989Cat Chaser — George Moran
• 1989Leviathan — Steven Beck
• 1988Shakedown — Roland Dalton
• 1988The Tunnel — Juan Pablo Castell
• 1987RoboCop — Officer Alex J. Murphy / RoboCop
• 1987The Dancing Princesses — The Soldier
• 1986Apology — Rad Hungate
• 1985A Killing Affair — Baston Morris
• 1984Firstborn — Sam
• 1984The Adventures of Buckaroo Banzai Across the 8th Dimension — Buckaroo Banzai
• 1983Kentucky Woman — Deke
• 1983Of Unknown Origin — Bart Hughes
• 1983Two Kinds of Love — Joe Farley
• Faerie Tale Theatre — The Soldier
• 1982Shoot the Moon — Frank Henderson
• 1980Just Tell Me What You Want — Steven Routledge
• 1979Butch and Sundance: The Early Days — Joe Le Fors
• Mourning Becomes Electra — Peter
• Lou Grant
• 1975The Silence — Red Sash
• 1973The Man Without a Country — Lt. Fellows

Appearances as themselves (14)

• 2023Exterminate All Rational Thought — Self
• RoboDoc: The Creation of RoboCop — Self
• 2022In Search of Tomorrow — Self
• The Movies That Made Us — Self (archive footage)
• 2017Corporate Wars: The Making of 'RoboCop 2' — Self (archive footage)
• The Real History of Science Fiction — Himself
• 2010William S. Burroughs: A Man Within — Self - Narrator
• Engineering an Empire — Himself / Host
• 2005Rome: Engineering an Empire — Self
• 2002Buckaroo Banzai Declassified — Self
• 2001Flesh + Steel: The Making of 'RoboCop' — Himself (archive)
• 1992Naked Making Lunch — Self
• 1990Celebrity Guide to Wine — Self
• The Tonight Show Starring Johnny Carson — Self