Peter Sarsgaard and Ben Chaplin chat with ET’s Cassie DiLaura all about ‘September 5,’ in theaters now. Peter Sarsgaard, John Magaro and more stars chat with ET at the premiere of ...
For Peter Sarsgaard ... Magaro plays the young, ambitious TV producer Geoffrey Mason, eager to prove himself to his boss, the legendary TV executive Roone Arledge (Sarsgaard).