The State of Things (1982)
Original title: Der Stand der Dinge
The State of Things is a 1982 German-language drama movie directed by Wim Wenders, with a running time of 2h 1m. It stars Isabelle Weingarten, Rebecca Pauly and Jeffrey Kime.
On location in Portugal, a film crew runs out of film while making their own version of Roger Corman's The Day the World Ended (1956). The producer is nowhere to be found and director Munro attempts to find him in hopes of being able to finish the film.
Official site
http://www.wim-wenders.com/movies/movies_spec/thestateofthings/the_state_of_things.htm