Acting

2021

(2 episodes) as Grayson

2012

(1 episode) as John

2011

(1 episode) as Self - Participant

2009		Merlin: Secrets and Magic (14 episodes)
2009		Britain's Best Drives (6 episodes)
2009		Demons (2 episodes) as Father Simeon

2008

(65 episodes) as Gaius

2007		The Alan Titchmarsh Show (1 episode) as Self
2007		Would I Lie to You? (1 episode) as Self
2007		Kingdom (2 episodes) as Professor Barkway

2006		The One Show (1 episode) as Self
2006		Davina (1 episode)

2005		Monkey Trousers (7 episodes)
2005		Doctor Who (2 episodes) as Dr Constantine (2 episodes)
2005		Doctor Who Confidential (1 episode)

2003

(13 episodes)

2002

(1 episode) as Dr. Donald Newman

2001		McLeod's Daughters (5 episodes)
2001		Life as We Know It (7 episodes)
2001		High Stakes (6 episodes)

1999

(6 episodes) as John Doone

1998		Duck Patrol (7 episodes) as PC Roland 'Prof' Rose
1998		So Graham Norton (1 episode) as Self
1998		Fantasy World Cup (1 episode) as Self
1998		In the Red (3 episodes) as Lord Tone
1998		All Saints (1 episode)

1996

(2 episodes) as Professor of Language

1995		The Frank Skinner Show (1 episode) as Self
1995		Father Ted (1 episode) as Richard Wilson
1995		The Mrs Merton Show (1 episode) as Self

1994

(1 episode) as Self

1993

(1 episode) as Self

1992		Unnatural Pursuits (2 episodes) as Hector Duff
1992		The World of Peter Rabbit and Friends (1 episode) as Mr. McGregor (voice)

1991

(5 episodes) as Henri Nannen

1990		Have I Got News for You (1 episode) as Self
1990		Cluedo (6 episodes) as Reverend Green
1990		MasterChef (1 episode)
1990		One Foot In the Grave (39 episodes) as Victor Meldrew
1990		Mr. Bean (1 episode) as Dentist

1989

(1 episode) as Self - Narrator (voice)

1988

(1 episode)

1987		Tutti Frutti (6 episodes) as Eddie Clockerty
1987		High & Dry (7 episodes) as Richard Talbot
1987		Inspector Morse (2 episodes) as Brian Thornton

1986		Room at the Bottom (13 episodes)
1986		Hot Metal (13 episodes)

1985		Howards' Way (1 episode) as Viscount Cunningham
1985		The Last Place on Earth (7 episodes) as Scott Keltie

1984

(1 episode) as Duncan Ross

1982		Countdown (5 episodes)
1982		Andy Robson (3 episodes) as Mr. Ridley

1979

(29 episodes)

1977

(12 episodes)

1976		Yanks Go Home (1 episode)
1976		Victorian Scandals (1 episode)
1976		Cilla's World Of Comedy (1 episode)

1975

(1 episode) as D.C.I. Anderson

1974

(9 episodes) as Dr. Nixon

1973

(1 episode)

1972

(36 episodes) as Jeremy Parsons QC

1968

(1 episode)

1962

(1 episode)

Directing

2002

(1 episode) … Director

1970

(1 episode) … Director