Popsugar Entertainment Downton Abbey Downton Abbey Movie Cast Here's Who You Can Expect to See When Downton Abbey Hits the Big Screen 3 August 2018 by Corinne Sullivan View On One Page Photo 6 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Hugh Bonneville Hugh Bonneville will reprise his role as the likable head of the Crawley household, Robert Crawley, Earl of Grantham. Previous Next Start Slideshow Downton AbbeyMovie CastingMovies