Casey Affleck has admitted that Joaquin Phoenix's performance in the mockumentary I'm Still Here - including Phoenix's squirm-inducing appearance on The Late Show with David Letterman - was fake. But was Letterman in on the joke?
Casey Affleck: Joaquin Phoenix documentary is fake
"Dave knew about it and...
Other Links From TVGuide.comLate Show with David LettermanBen AffleckCasey AffleckJoaquin PhoenixRiver PhoenixDavid LettermanBill Scheft"