Known for Acting

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).
2025
as Lord Merton
2013
as Awards Presenter
2022
as Lord Merton
2019
as Sotheby
2019
as Lord Merton
2006
as Lord Airlie
2021
as Field Marshal Haig
2011
as Lord Brownlow
2021
as Sir Charles Whiteside
1978
as Howard
2015
as Le chef de la sécurité
2009
as BBC Interviewer
2005
as Horace Featherstonehaugh
1984
as Jimmy Martin
1983
as Toby
1998
1980
as Fitzgeorge