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Xander Berkeley

Xander Berkeley

As actor

Alexander Harper Berkeley (born December 16, 1955) is an American actor. He is known for his television roles as Sheriff Thomas McAllister on the crime drama The Mentalist, George Mason on the political thriller series 24, Percy Rose on the action thriller series Nikita, the Man on The Booth At The End and Gregory in AMC's The Walking Dead. His notable film roles include Todd Voight in Terminator 2: Judgment Day, Agent Gibbs in Air Force One, Bowery Snax in Sid and Nancy, Dr. Lamar in Gattaca, Trevor Lyle in Candyman and Ralph in Heat.

As actor

on Mosaic
🎬 Terminator 2: Judgment Day ★ 5.0 · Todd Voight 🎬 Taken Stuart St. John 🎬 Kick-Ass Detective Gigante 🎬 A Few Good Men Capt. Whitaker 🎬 Gattaca Dr. Lamar 🎬 Shanghai Noon Nathan Van Cleef 🎬 Air Force One Agent Gibbs 🎬 Transcendence Dr. Thomas Casey 🎬 Universal Soldier: The Return Dr. Dylan Cotner 🎬 Fracture Judge Moran 🎬 North Country Arlen Pavich 🎬 Faster Sergeant Mallory 🎬 Candyman Trevor Lyle 🎬 City of Lies Edwards 🎬 Superman/Batman: Public Enemies Captain Atom (voice) 🎬 Son of Batman Dr. Kirk Langstrom (voice) 🎬 Barb Wire Alexander Willis 🎬 The Fabulous Baker Boys Lloyd 🎬 In Enemy Hands Admiral Kentz 🎬 Reagan George Schultz 🎬 Butcher's Crossing Charlie Hoge 🎬 Year One King 🎬 Proud Mary Uncle 🎬 NetForce Bo Tyler 🎬 Louder Than Words Dr. Lansen 🎬 The Man from Elysian Fields Virgil Koster 🎬 Walker Byron Cole 🎬 A Family Thing Sunburned Man 🎬 Sid and Nancy Bowery Snax 🎬 Storytelling Mr. DeMarco 🎬 Five Peter 🎬 Apollo 11: First Steps on the Moon Buzz Aldrin 🎬 Straight to Hell Preacher McMahon 🎬 Fire on the Mountain Movie · 1981 🎬 L.A. Takedown Waingro 🎬 Bedrooms Harry 🎬 Standing Still Jonathan 🎬 Murder in High Places Wayne 🎬 Girl Walks Into a Bar Moe 🎬 Small Time Chick 🎬 No Address Harris 🎬 Short Time Stark 🎬 The Verne Miller Story Cardogan 🎬 The Gun in Betty Lou's Handbag Marchat 🎬 Quicksand Joey Patterson 🎬 Drop Dead Sexy Harkness 🎬 Luster Detective Carter 🎬 Inside H1ghway_man 🎬 Roswell Sherman Carson 🎬 Shot Dr. Roberts 🎬 The Ghost Trap Maynard 🎬 Relapse Seymour 🎬 Below the Beltway McMahon 🎬 The Audition Joel 🎬 The Lawless Land Ez Andy 🎬 Born Guilty Mr. Milk 🎬 Americans with No Address Self 🎬 Alchemy of the Spirit Oliver 🎬 This Last Lonely Place Frank Devore 🎬 Dark Harbor Priest James 🎬 Cook County Sonny 🎬 The Keys Harold 🎬 Schindler Space Architect Frank Lloyd Wright (voice) 🎬 The Toe Tactic Dad 🎬 A Private Matter Peter Zenner 🎬 Oddities Movie · 2026 🎬 🎬 The Garage Doc Ruppert 🎬 Repo Chick Father De La Chasse 🎬 Driven J.D. Johnson 🎬 Recluse Movie · 2026 🎬 The Gift Forrest Bobo 🎬 ETXR Gordon Shafer

🎭 Filmography — as actor/actress

via TMDB
📺 Law & Order Series · 1990 📺 The Mentalist Series · 2008 📺 Criminal Minds Series · 2005 📺 CSI: Crime Scene Investigation Series · 2000 📺 Bones Series · 2005 📺 The Walking Dead Series · 2010 📺 24 Series · 2001 📺 Law & Order: Criminal Intent Series · 2001 📺 The X-Files Series · 1993 📺 The West Wing Series · 1999 📺 ER Series · 1994 📺 The Closer Series · 2005 📺 FBI: Most Wanted Series · 2020 📺 Boston Legal Series · 2004 📺 Medium Series · 2005 📺 Falcon Crest Series · 1981 📺 M*A*S*H Series · 1972 📺 Miami Vice Series · 1984 📺 The A-Team Series · 1983 📺 Supergirl Series · 2015 📺 Bull Series · 2016 📺 MacGyver Series · 2016 📺 The Incredible Hulk Series · 1977 📺 The Mandalorian Series · 2019