Dorothy Caroline Atkinson (born 1966) is an English actress and singer. She has appeared in several plays by playwright Alan Ayckbourn and in films by Mike Leigh, including Topsy-Turvy, All or Nothing, and Mr. Turner, which premiered at the 2014 Cannes Film Festival, and for which she was nominated for the BIFA Award for Best Supporting Actress. An April 2021 announcement stated that Atkinson would be joining the cast of the second season of All Creatures Great and Small as Diana Brompton.

Filmography