Martin Sims

as Crown Jeweller (1 episode)

as Police Officer Jim (4 episodes)

as Prof. Charles Grandage

as Policeman

as Blackwell

as Guildenstern

as Clark

as Michael Ancelet (1 episode)

as First Officer Phil Hayes (1 episode)

as Neil Cawter (1 episode)

as Traducteur

as Bob

as Student

as Jaffa (1 episode), as Dol'ok (1 episode)

as Lane Dowling (1 episode)

as Andy (1 episode)

as Crispin (1 episode)

as Gelf (1 episode)