

Cast & creator
Best known for Outlander, The Crown, Downton Abbey
Douglas Reith is a British actor and teacher. He is best known for his role as Lord Merton in the television series Downton Abbey (2010–2015), as well as its two follow-up films. Reith was born in Melton, Suffolk. He studied acting at the Webber Douglas Academy of Dramatic Art. He began acting in the late 1970s, beginning with an appearance in International Velvet (1978) alongside Tatum O'Neal and Christopher Plummer. He worked as an announcer and presenter at BBC Radio 3 for five years before leaving to study Greats at Christ Church, Oxford for four years beginning in 1989. He worked as a teacher, including at Westminster School, before resuming his acting career. Reith joined the cast of Downton Abbey as Lord Merton in 2012, and alongside the cast was nominated for the Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series at the 23rd Screen Actors Guild Awards. He reprised the role in the films Downton Abbey (2019) and Downton Abbey: A New Era (2022). In 2017, Reith was cast in Tim Burton's live-action remake Dumbo (2019). In 2019, he was cast in SAS: Red Notice (2021).
17
film credits
17
television credits
34
1974–2025 · acting roles
7.0
average across scored titles
Signature credits
Across film & television
Showing 34 of 34 credits

Professor Brown
2014
Admiral Leach
2016
Lord Merton
2010
Bellars
1979
Fitzgeorge
1974
Sergeant Downs
1975
Dean
2021
Awards Presenter
2013
Lord Pendlebury
2016
Lord Merton
2025
Metellus
2006
Auctioneer
1976
Sir Andrew Ross
2002
Lord Merton
2019
Prescott Fleming
2019
Sotheby
2019
Lord Merton
2022
Sir Charles Whiteside
2021
Lord Airlie
2006Ferris
1984
Judge
2005
Jude
2005
Justice Angus Hill
2017
Chamberlain
1996
Lord Brownlow
2011
Field Marshal Haig
2021
Le chef de la sécurité
2015
Fitzgeorge
1980
Howard
1978
Horace Featherstonehaugh
2005

BBC Interviewer
2009
Toby
1983
Jimmy Martin
1984