According to a post on FanForum.com, Billie Joe Armstrong is included in the cast for the upcoming movie "Like Sunday, Like Rain."
The film is currently being filmed in New York and a release date is unknown. At this point, it is unclear what role Billie Joe will play in the movie. The image at the right shows Billie Joe on the set of the film (click for a larger version).
Right now, there is no official confirmation of Billie Joe being cast in the movie but why else would he be there?
FanForum.com provides a synopsis of the movie and a more detailed cast listing.
Thanks to desertrose for posting this on GDC