James Grout

as Mr. Spenlow (2 episodes)

as Charley

as Douglas (1 episode)

as Catesby/Ely (voice)

as Mr Rutley (2 episodes)

as Thesp (10 episodes)

as Catesby / Ely (voice) (1 episode)

as Peter Thomas

as Silence (1 episode)

as Roy (6 episodes)

as Dr. John Anderson (6 episodes)

as Chief Superintendent Strange (28 episodes)

as Professor George Bunn (4 episodes)

as Judge

as Mr McAllister (2 episodes)

as Inspector (5 episodes)

as Arthur Dumpton (6 episodes)

as Narrator (1 episode)

as William Strahan

as Mortimer (1 episode)

as Roebuck Ramsden

as Nicholas Petrie

as Nicholas Petrie (1 episode)

as William Rowland (1 episode)