2018

2005

as Orac

1990

(1 episode) as Mr Davis

1989		Anything More Would Be Greedy (6 episodes)
1989		Campion (2 episodes) as Pepper

1988

(7 episodes)

1987

as Special Voices (voice)

1986

(1 episode) as Auctioneer

1985

as Clerk of Courts

1981		Bergerac (1 episode) as Minister
1981		Only Fools and Horses (1 episode) as Charles
1981		Nanny (2 episodes)

1979

(1 episode) as Tommy (1 episode) as Control (voice) (1 episode) as Control Voice (voice)

1978		The Lost Boys as Doctor Rendel
1978		Blake's 7 (26 episodes) as Zen / ORAC (13 episodes) as Zen (13 episodes) as Slave / ORAC

1976

as Titan (voice)

1975		Quiller (1 episode) as Dr. Erling Norgaard
1975		Doctor Who: The Ark in Space as Voices on Nerva (voice)

1974

as Old Tom (voiceover)

1963

(2 episodes) as Brain (voice) (1 episode) as Titan (voice) (1 episode) as Computer (voice)