[Lijahsbubbe]

“Through a series of freak occurrences, a group of actors shooting a big-budget war movie are forced to become the soldiers they are portraying”

That sounds kind of funny. If they had any good writers it could be a good one.

[Pylon]

There is kind of a trailer here http://www.tropicthunder.com/
One of the writers writes for King Of The Hill so there is hope.

[Borges]

Through a series of freak occurrences, a group of actors shooting a big-budget war movie are forced to become the soldiers they are portraying