'Heroes' villain is 'Prison Break' ex-con

Robertknepper_prisonbreak_290 Robert Knepper is finding the bad guy business to be pretty good.

The "Prison Break" star, who played imprisoned white supremecist leader Theodore "T-Bag" Bagwell, has will play the new villain in the fourth season of "Heroes," according to The Hollywood Reporter.

Knepper's character Samuel is described as a charismatic but ultimately evil Jim Jones type.

"Heroes" will begin production later this week and will return in the fall.

Related:

'Californication' star Madeleine Zima moves in with 'Heroes'
'Prison Break's' Robert Knepper Talks about T-Bag's End...
NBC's 2009-10 schedules
NBC 2009-10: 'Chuck' and 'Law & Order' back, 'Earl' and 'Medium' gone
Zap2it's coverage of the upcoming season