—		True Horror with Anthony Head (5 episodes) as Host
—		Buffy the Animated Series (1 episode) as Rupert Giles

2021

(4 episodes) as Sir Simon de Canterville

2020		Bridgerton (1 episode) as Lord Sheffield
2020		Ted Lasso (18 episodes) as Rupert Mannion
2020		Feel Good (1 episode) as George
2020		The Stranger (7 episodes) as Ed Price

2018		Tom Clancy's Jack Ryan (2 episodes) as Rupert Thorne
2018		The Split (6 episodes) as Oscar
2018		Girlfriends (6 episodes) as John

2017		Motherland (3 episodes) as Bill
2017		Back (1 episode) as Charismatic Mike
2017		Still Star-Crossed (7 episodes) as Lord Silvestro Capulet

2014

(21 episodes) as David Weel

2013		Yonderland (3 episodes) as Nigel
2013		You, Me & Them (12 episodes) as Ed Walker
2013		Dancing on the Edge (5 episodes) as Donaldson

2011

(8 episodes) as Stephen

2009		Merlin: Secrets and Magic (14 episodes)
2009		Warehouse 13 (4 episodes) as Paracelsus
2009		Free Agents (6 episodes) as Stephen Caudwell

2008		Merlin (43 episodes) as Uther Pendragon
2008		The Inbetweeners (2 episodes)
2008		The Invisibles (6 episodes) as Maurice Riley

2007		Sold (6 episodes) as Mr Colubrine
2007		Comedy Showcase (1 episode) as Stephen
2007		Heroes Unmasked (31 episodes) as Himself - Narrator

2006

(2 episodes)

2005		Sensitive Skin (2 episodes)
2005		Doctor Who (1 episode) as Baltazar (voice) (1 episode) as Mr Finch
2005		Doctor Who Confidential (26 episodes) as Narrator (1 episode)

2004		True Horror (5 episodes)
2004		New Tricks (1 episode)

2003		Little Britain (2 episodes) as Self (20 episodes) as Prime Minister (2 episodes)
2003		The Terry and Gaby Show (1 episode)
2003		Murder Investigation Team (1 episode) as Stewart Masters

2002		Rose and Maloney (1 episode)
2002		Fillmore! (2 episodes) as Professor Third (voice)
2002		Spooks (1 episode) as Peter Salter
2002		V Graham Norton (1 episode) as Self
2002		Manchild (15 episodes) as James

2000		My Family (1 episode) as Richard Harper
2000		Monarch of the Glen (4 episodes)

1998

(1 episode) as Dr. Staretski

1997		Jonathan Creek (1 episode) as Adam Klaus
1997		Buffy the Vampire Slayer (123 episodes) as Rupert Giles

1996

(1 episode)

1995

(13 episodes) as Oliver Sampson

1993		NYPD Blue (1 episode) as Raleigh Gibson
1993		The Detectives (1 episode) as Simon

1992

(1 episode) as Allan Rothwood

1987		Pulaski (1 episode) as Dudley Fielding
1987		Rockliffe's Babies (1 episode)

1986

(1 episode)

1985		Spenser: For Hire (1 episode)
1985		Howards' Way (5 episodes) as Phil Norton
1985		C.A.T.S. Eyes (1 episode)

1982

(1 episode) as Recording Studio Engineer (1 episode) as Ricki

1981

(1 episode) as Bill

1980

(8 episodes) as Tony Kroesig

1978		Accident (1 episode)
1978		Lillie (1 episode)
1978		Enemy at the Door (2 episodes) as Clive Martel

1977

(1 episode) as Hanslick