Xander Berkeley
Alexander Berkeley is an American actor. Since beginning his career in the early 1980s, he has appeared in over 200 film and television projects. His films include Terminator 2: Judgment Day (1991), Candyman (1992), Barb Wire (1996), Air Force One (1997), Gattaca (1997), and Shanghai Noon (2000). He also appeared in the crime drama Heat (1995) after being cast in L.A. Takedown (1989), an earlier rendition of the film's script, although he played two different characters on the two different films. On television, he headlined the Citytv psychological thriller The Booth at the End (2010–2012) and was a series regular on the Fox action drama 24 (2001–03) and The CW action thriller Nikita (2010–2012). As a guest star, Berkeley portrayed Sheriff Thomas McAllister on the CBS drama The Mentalist (2008–13) and Gregory on the AMC post-apocalyptic horror The Walking Dead (2016–18).
Berkeley provides voice-work and voice-over for several animated series, such as Aaahh!!! Real Monsters, Gargoyles and Teen Titans. He also voiced Quentin Beck / Mysterio on The Spectacular Spider-Man, Captain Atom in Superman/Batman: Public Enemies and Dr. Kirk Langstrom in Son of Batman.