2022		Star Wars: Tales of the Jedi (1 episode) as Darth Sidious (voice)
2022		Obi-Wan Kenobi (1 episode) as Emperor Palpatine / Darth Sidious

2021

(1 episode) as Emperor Palpatine (voice) (2 episodes) as Darth Sidious / Emperor Palpatine (voice)

2018

(27 episodes) as King Pellenor

2014		Star Wars Rebels (3 episodes) as Emperor Palpatine (voice) (1 episode) as Emperor Palpatine
2014		37 Days (3 episodes) as Sir Edward Grey

2013

(5 episodes) as Anton

2008		Star Wars: The Clone Wars (1 episode) as Darth Sidious (voice) (archive sound)
2008		City of Vice (5 episodes) as Henry Fielding

2005

(2 episodes) as Lord Burghley

2003

(3 episodes) as Sir Edward Hyde

2002		Spooks (1 episode) as Prof. Fred Roberts
2002		Crime and Punishment (2 episodes) as Porfiry
2002		The Adventures of Young Indiana Jones (1 episode) as Professor Jacques Levi

1996

(4 episodes) as Oliver Morse

1987

(1 episode) as Hugo De Vries

1983

(4 episodes) as Dr Vernon Davis

1977

(1 episode) as Mickey Hamilton