Mark Rolston is an American actor. Rolston played PFC M. Drake in Aliens , Hans in Lethal Weapon 2 , Stef in RoboCop 2 , Bogs Diamond in The Shawshank Redemption , J. Scar in Eraser , Chief Dennis Wilson in Daylight , Wayne Bryce in Hard Rain and Special Agent in Charge Warren Russ in Rush Hour . Rolston also acted in Martin Scorsese's 2006 film The Departed and the television horror film Backwoods. Many of Rolston's screen roles are villains due to his trademark icy stare. He also co-starred in 2008's Saw V and 2009's Saw VI. In 1994, he portrayed convicted killer "Karl Mueller" in the... Babylon 5 episode "The Quality of Mercy," as well as "Richard Odin," leader of a vegetarian cult in an episode of the X-Files called "Red Museum." He was also originally considered to voice the supervillain Firefly in Batman: The Animated Series in 1992, though the character was deemed unsuitable for the series and ultimately dropped. Rolston would later voice Firefly in the revamp, The New Batman Adventures, as well as Justice League.
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