Mark Rolston is an American actor and voice actor born in 1956. Known for his imposing screen presence and his specialization in antagonistic roles or authority figures, he has built a solid career in Hollywood. Among his most famous and iconic performances are his portrayal of Private Mark Drake in James Cameron's *Aliens* (1986) and the inmate Bogs Diamond in *The Shawshank Redemption* (1994). He has also played memorable roles in films such as *Lethal Weapon 2* (1989), *RoboCop 2* (1990), and Martin Scorsese's *The Departed* (2006). Alongside his film career, Rolston is very active in television, with appearances in successful series such as *24* and *The Shield*. He has also developed a prolific career as a voice actor, lending his voice to prominent characters in the world of video games and animation, including Lex Luthor in the series *Young Justice* and Deathstroke in the *Batman: Arkham* video game series.