Tom Cruise..is just not what he used to be

Tom is believed to be playing a studio mogul in the movie, which also stars Matthew McConaughey (replaced Owen Wilson), Robert Downey, Jr., Jack Black, Nick Nolte, Bill Hader and Justin Theroux.

Tropic Thunder is about a group of actors shooting a big-budget war movie and through a series of freak occurrences, they are forced to become the soldiers they are portraying.

I'm mos def giving up my $9.50 for that one. Nolte and Bill Hader...together! Shizzz.

Source: Just Jared