Douglas Reith
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).
Acting
Movie
Rush
as Awards Presenter
2013
Movie
Dumbo
as Sotheby
2019
TV
Outlander
as Professor Brown
2014
TV
The Crown
as Admiral Leach
2016
Movie
The Queen
as Lord Airlie
2006
Movie
Downton Abbey
as Lord Merton
2019
TV
Downton Abbey
as Lord Merton
2010
Movie
Serial Teachers 2
as Le chef de la sécurité
2015
Movie
Downton Abbey: A New Era
as Lord Merton
2022
Movie
SAS: Red Notice
as Sir Charles Whiteside
2021
Movie
W.E.
as Lord Brownlow
2011
Movie
Downton Abbey: The Grand Finale
as Lord Merton
2025
TV
Pandora
as Prescott Fleming
2019
TV
Elizabeth I
as Jude
2005
TV
Elizabeth I
as Judge
2005
Movie
The War Below
as Field Marshal Haig
2021
TV
Professor T
as Dean
2021
TV
Agatha Raisin
as Lord Pendlebury
2016
TV
Fearless
as Justice Angus Hill
2017
Movie
Enid
as BBC Interviewer
2009
Movie
International Velvet
as Howard
1978
TV
Ancient Rome: The Rise and Fall of an Empire
as Metellus
2006
TV
Minder
as Bellars
1979
TV
Rumpole of the Bailey
as Sergeant Downs
1975