Actor Robert Knepper is best known for his role as Theodore 'T Bag' Bagwell in the television series Prison Break (2005-9) and as Samuel Sullivan in the TV miniseries Heroes: Slow Burn (2009) and Heroes (2009-10). His execution of these parts is flawless as Robert has the look, and ability to pull off roles that call for a ne'er do well. Although typecasting can be a mixture of blessing and curse, Knepper has definitely found his acting niche, and he performs well in this genre.

Robert Knepper was in Prison Break
His appearance as the serial killer Rhett Walden was chilling in a 2010 episode of Criminal Minds, followed by the role of Rod in the hit television series Shameless (2011), which takes the everyday screw-ups of human beings, and magnifies them a hundred-fold, giving viewers an insight into humanity at its worst.
Robert Knepper appears in his famous role as 'T Bag' once again, in the television series Break Out Kings (2011), delivering his performance as well as ever. He went on to play the starring role of Frank Sinatra in the film My Way (2012), which was a successful endeavor. Robert has a way with adopting personae that enables him to become a temporary version of the person his is portraying for the film, which brings an amazing charisma to his character.

Robert Knepper was in Heroes
Robert's most recent work includes the role of Billy Grimm in the TV series Cult (2013);Stanley Nawlicki in R.I.P.D. (2013); Kronos in Percy Jackson: Sea of Monsters (2013); brief roles in The Blacklist (2013) and Mob City (2013). He has two more in the hopper with the upcoming films The Mourning Hour (2013) and Ride (2014) which is in the post-production phase.
Robert Knepper interview