Co-star praises Jackson's 'Django Unchained' performance

Samuel L Jackson's acting on 'Django Unchained' caused his fellow stars to have sleepless nights.

Jamie Foxx revealed some of the actors appearing alongside the 66-year-old star in the final few scenes of Quentin Tarantino's forthcoming western movie "wouldn't go to sleep at night" because they were apprehensive about acting against him the next day.