Richard Bebb

as Josiah Gresham (voice)

as Chairman (1 episode)

as Hawk-Monitor Butler

as Richard Cobham

as Second Voice (voice) (archive sound)

as Lord Chief Justice Hipwood

as Consultant

as Gamekeeper

as Justice Offical

as Member (1 episode)

as News Commentator (1 episode), as Newsreader (voice) (2 episodes), as Mr. Cameron (1 episode)

as Sir John Hardy (1 episode)

as Radio Announcer (voice)

as Sir John Hardy (1 episode)

as Dr Vesey Stanhope (2 episodes)

as Cabinet Minister (1 episode)

as Robbie

as Stanmore

as Lord Hastings

as Ven Glynd (1 episode)

as Professor Appell (5 episodes)

as Narrator (voice)

as Commercial Voice (1 episode)

as Narrator