'Downton Abbey 3' Movie Cast: 1 Star Won't Return, 21 Others Set to Reprise Roles

A third Downton Abbey film was confirmed earlier this year, and we have the full cast list of who is returning and who is not! As of right now, Focus Features plans to release the film on September 12, 2025. Creator of the Downton universe, Julian Fellowes, has written the third film, with Simon Curtis