Robert Hammond Patrick is an American actor. Known for portraying villains and honorable authority figures, he is a Saturn Award winner with four other nominations. Patrick dropped out of college when drama class sparked his interest in acting, and entered film in 1986. After playing a supporting role in Die Hard 2, he came to prominence as the T-1000, the antagonist of Terminator 2: Judgment Day—a role he reprised for cameo appearances in Wayne's World and Last Action Hero. His other film credits include Fire in the Sky, Striptease, Cop Land, The Faculty, Spy Kids, Charlie's Angels: Full Throttle, Ladder 49, Walk the Line, Flags of Our Fathers, We Are Marshall, Bridge to Terabithia, The Men Who Stare at Goats, and Safe House. In television, Patrick played FBI Special Agent John Doggett in The X-Files, Colonel Tom Ryan in The Unit, DHS agent Cabe Gallo in Scorpion, and Auggie Smith / White Dragon in Peacemaker.