Some exciting casting updates of “Our Brand Is Crisis” have been announced. Variety is reporting that Scoot McNairy is set to join Sandra in the movie last week. The Wrap reported yesterday that Billy Bob Thornton is in talks for the movie.

David Gordon Green is directing with George Clooney and Grant Heslov producing through their Smokehouse Pictures banner, with Bullock exec-producing.

The film is based on the 2005 documentary of the same name, which focuses on the use of American political campaign strategies in South America.

Peter Straughan penned the script. Courtenay Valenti and Racheline Benveniste are overseeing for the studio.

Production is set to start this fall.