Paul Giamatti, Joely Richardson, Alessandro Nivola, Simon Russell Beale and Arty Froushan will co-star in 'Downton Abbey 3.' ... Russell Beale and Arty Froushan Join Cast By Brent Lang. Plus Icon.

Here's everything we know about the third Downton Abbey film, from the cast to the plot, release date and location details. Production is currently underway as the beloved period drama, penned by ...

Focus Features and Carnival Films are officially in production on Downton Abbey 3, with main cast members returning and a number of new additions.