David Haig
- Pressure
2026 Writer
- Étoile
2025 Nicholas
- COBRA
2020 Archie Glover-Morgan
- Downton Abbey
2019 Mr Wilson
- One Red Nose Day and a Wedding
2019 Bernard
- Killing Eve
2018 Bill
- National Theatre Live: Rosencrantz & Guildenstern Are Dead
2017 The Player
- Urban Myths
2017 George Frideric Handel
- Florence Foster Jenkins
2016 Carlo Edwards
- The Witness for the Prosecution
2016 Sir Charles Carter
- Penny Dreadful
2014 Oscar Putney
- The Wright Way
2013 Gerald Wright
- Yes, Prime Minister
2013 Prime Minister Jim Hacker
- Mo
2010 Jon Norton
- The 39 Steps
2008 Sir George Sinclair
- Dickens' Secret Lover
2008 Charles Dickens
- Dustbin Baby
2008 Elliot
- My Boy Jack
2007 Writer
- Mr. Bean's Wedding
2007 Bride's Father
- A for Andromeda
2006 General Vandenberg
- The Thick of It
2005 Steve Fleming
- Hustle
2004 Sir Anthony Reeves
- Agatha Christie's Marple
2004 Major Hugh Horton
- Two Weeks Notice
2002 Howard Wade
- Crime and Punishment
2002 Luzhin
- Ivor the Invisible
2001 Park Keeper (voice)
- Station Jim
2001 Riorden Jnr
- Timequest
2000 Clint Hill
- The Adventures of Young Indiana Jones: Tales of Innocence
1999 Col. Bonnet
- Talking Heads 2
1998
- Keeping Mum
1997 Richard Beare
- Midsomer Murders
1997 George Jeffers
- The Thin Blue Line
1995 Detective Inspector Derek Grim
- Four Weddings and a Funeral
1994 Bernard the Groom - Wedding Two
- Wycliffe
1994 David Miller
- Love on a Branch Line
1994 Lionel Virley
- Cracker
1993 Graham
- Soldier Soldier
1991 Major Tom Cadman
- The Darling Buds of May
1991 Captain Robert Battersby
- Chancer
1990 Dr. Haselden
- Portrait of a Marriage
1990 Harold Nicolson
- Campion
1989 Cully Randall
- Hannay
1988
- Talking Heads
1988 Wilfred Paterson
- Inspector Morse
1987 Peter Rhodes
- The Cold War Killers
1986 Colin Jenkins
- The Alamut Ambush
1986 Colin Jenkins
- Boon
1986 Jim Fisk
- Morons from Outer Space
1985 Palatial House Flunkey
- Dark Enemy
1984 Ash
- A Flame to the Phoenix
1983 Mirek Grabinski
- Dramarama
1983 Bill Brock
- Chessgame
1983 Colin Jenkins
- Diamonds
1981 Alex Randolph
- Doctor Who: The Leisure Hive
1980 Pangol
- The Moon Stallion
1978 Todman
- Blake's 7
1978 Forres
- The Moon Stallion
1978 Todman
- Doctor Who
1963 Pangol
