US TV
WENN
The actor - famous for his role as Theodore 'T-Bag' Bagwell in Prison Break - had originally signed for just six episodes, but now joins the show's regular cast.
Knepper recently revealed to DS that he based his character Samuel on a young Keith Richards.
Heroes will return to NBC for an uninterrupted run of 19 new episodes on Monday, September 21.
Tube Talk
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2012-13 Season
John Stamos to star in 'Little Brother'The former Full House actor will star in the comedy pilot Little Brother.
US TV Interviews
'Celebrity Apprentice' Debbie Gibson Q&ADebbie Gibson opens up about her Celebrity Apprentice experience.
US TV Ratings
'Vampire Diaries' soars to 3m for The CWThe Vampire Diaries and The Secret Circle perform well for The CW.
