Graham Harley

as Mr. Aylmer (1 episode)

as Ralph Fisher

as Psychologist

as Parsons

as Jacques Dextraze

as Nick Taunton (1 episode)

as Walter the Concierge

as Cyril (18 episodes)

as Walter the Concierge

as Restaurant Manager (1 episode)

as Tony Landis (1 episode)

as Professor Jeremy Knowall

as Dr. Robert Harrow (1 episode)

as Carvaggio AI (22 episodes)

as Davy's Dad

as Jarvis (voice) (2 episodes)

as Willoughby (1 episode)

as Introducer

as Nigel (1 episode)

as Jay Britain

as Invité

as Middle-aged Man

as Jacques Dextraze (1 episode)