The multistarrer has A-list names like George Clooney, Ralph Fiennes, Tilda Swinton, Channing Tatum, Josh Brolin, Scarlett Johansson and Jonah Hill.
The story depicts the single day in the life of a studio fixer who is given plenty of problems to solve, said the Hollywood Reporter.
Joel and Ethan Coen are writing and directing the film, which is produced by the duo under their Mike Zoss Productions banner, with Working Title Films and Eric Fellner and Tim Bevan.