
Still, an act it was, director Casey Affleck revealed late last week—though Phoenix himself hasn't commented publicly on the film yet.
This will change, though, when he appears on Letterman on Wednesday night, presumably to discuss his infamous 2009 appearance (promoting Two Lovers, btw), which Letterman was in on, apparently.
Pam Anderson and Eminem knew that Sacha Baron Cohen was going to harass them, too (all famous people are friends).