Credits

• 2022 · The Chelsea Detective as Maurice Swift
• 2020 · Peter Sellers: A State of Comic Ecstasy as Self
• 2019 · Martin's Close as Stanton
• 2018 · National Theatre Live: Allelujah! as Ambrose
• 2018 · Shakespeare & Hathaway - Private Investigators as Sir Tim Forbes-Allen
• 2017 · Goodbye Christopher Robin as Zoo Director
• 2017 · Viceroy's House as Archie Wavell
• 2016 · A Very British Deterrent as Harold MacMillan
• 2015 · Galavant as Uncle Keith
• 2013 · Father Brown as Jeremiah Moxley
• 2011 · Celebrity Antiques Road Trip as Self - Participant
• 2009 · The Queen as
• 2009 · Above Suspicion as Charles Wickenham
• 2008 · Merlin as Lord Godwyn
• 2008 · Lady Godiva as
• 2008 · Sense and Sensibility as Henry Dashwood
• 2007 · Kingdom as Dr. Scott-Brown
• 2004 · The Paul O'Grady Show as
• 2003 · Blue Murder as Dr Donald Halliwell
• 2002 · Spooks as Francis Denham
• 2002 · The Gathering Storm as Terence Philip
• 2002 · Cutting It as Father Rafe
• 2001 · Sword of Honour as
• 2001 · The Paranormal Peter Sellers as Self (Archive footage)
• 1999 · Pig Heart Boy as Professor Rae
• 1999 · Pig Heart Boy as Professor Rae
• 1999 · Bad Girls as Oliver Lilley
• 1998 · Dinnerladies as Duke of Danby
• 1998 · Killer Net as Mr Miller
• 1998 · A Respectable Trade as Lord Scott
• 1997 · Forbidden Territory: Stanley's Search for Livingstone as John Kirk
• 1997 · The Opium War as Captain Charles Elliot
• 1997 · Midsomer Murders as Guy Sandys
• 1996 · The Willows in Winter as Bishop
• 1996 · The Preventers as Lord Timothy Belvoir St. Nash
• 1996 · Once a Thief as
• 1996 · Dalziel & Pascoe as
• 1996 · Noel's Telly Years as
• 1995 · Agony Again as
• 1994 · Law and Disorder as
• 1993 · The Inspector Alleyn Mysteries as
• 1993 · The Eligible Bachelor as Robert St. Simon
• 1993 · Kung Fu: The Legend Continues as Alan Carstairs
• 1993 · Kung Fu: The Legend Continues as
• 1992 · Heartbeat as Col Maltravers
• 1991 · Pebble Mill as Self
• 1991 · Paul Merton: The Series as
• 1991 · The Mixer as Sir Anthony Rose
• 1990 · Cluedo as Mr. Chapman
• 1990 · The Upper Hand as Geoffrey
• 1989 · The Return of Sam McCloud as Simon Langton
• 1988 · Doctor Who: Remembrance of the Daleks as Group Captain Gilmore
• 1986 · Casualty as Professor De Silva
• 1985 · The New Alfred Hitchcock Presents as Arthur Hollister
• 1984 · Hammer House of Mystery and Suspense as Bob Appleyard
• 1984 · Sherlock Holmes as Lord Robert St. Simon
• 1983 · Don't Wait Up as
• 1983 · The Return of the Man from U.N.C.L.E.: The Fifteen Years Later Affair as Nigel Pennington-Smythe
• 1982 · Countdown as
• 1981 · Bergerac as Rupert Draper
• 1981 · Kinvig as
• 1981 · Six Fifty-Five Special as Self
• 1980 · The Fiendish Plot of Dr. Fu Manchu as Robert Townsend
• 1979 · The Prisoner of Zenda as
• 1979 · Agony as Laurence Lucas
• 1978 · The Odd Job as
• 1977 · The Uncanny as Michael (segment "London 1912")
• 1977 · Jabberwocky as The Prince
• 1976 · The Incredible Sarah as Henri de Ligne
• 1975 · Three for All as Harry Bingley
• 1972 · The Regiment as
• 1971 · Upstairs, Downstairs as James Bellamy
• 1971 · Upstairs, Downstairs as self
• 1971 · The Blood on Satan's Claw as Peter Edmonton
• 1970 · The Breaking of Bumbo as Crutcher
• 1968 · The Touchables as Nigel Bent
• 1967 · Man in a Suitcase as
• 1963 · Doctor Who as Gilmore
• 1961 · The Mike Douglas Show as Self