Valentine Dyall

as Marcade

as Lorrimer (3 episodes)

as Lorrimer (1 episode)

as Adrian

as Chancellor

as Angus, a Lord (1 episode)

as The Black Guardian

as Black Guardian

as The Black Guardian

as Mr Rochester

as narrator

as Seneca (2 episodes)

as The Black Guardian (archive footage)

as Deep Thought (voice)

as Deep Thought (1 episode)

as The Astringer

as The Black Guardian

as Oscar

as Narrator (voice)

as Nori (1 episode)

as Dr. Pascal Keldermans (23 episodes)

as 2nd Major Domo

as Radio Voice (voice) (1 episode)

as Narrator (uncredited)