Jonah Hill in 'Hail, Caesar!'

Actor Jonah Hill is in talks to join George Clooney starrer period comedy 'Hail, Caesar!'.

The multistarrer, being made by Coen brothers --Joel and Ethan--, also stars Josh Brolin, Ralph Fiennes and Tilda Swinton.

Scarlett Johansson is in early talks to join the production, said the Hollywood Reporter.

'Caesar' tells the story of Eddie Mannix, a fixer who worked for the Hollywood studios in the 1950s.