Robert Knepper
Robert Lyle Knepper (born July 8, 1959) is an American actor best known for his role as Theodore "T-Bag" Bagwell in the FOX drama series Prison Break from 2005 to 2009 and has also appeared in films such as Good Night, and Good Luck, Hitman and Transporter 3. Knepper joined the cast of Heroes for its fourth and final season as Samuel Sullivan from 2009 to 2010, and he played Sid Rothman in the neo-noir television series Mob City in 2013. He appeared as Antonius in The Hunger Games: Mockingjay – Part 1 and the upcoming Part 2. He will appear with an ensemble cast in the mini-series Texas Rising in 2015.