Tom Riley

as Mark Trafford(3 eps)

as Lord Whitfield(2 eps)

as Lt. Willis Keith

as Neil(8 eps)

as Augustus 'Augie' Bidlow(6 eps)

as Will Wagstaffe(6 eps)

as Thomas Ingram

as Wellness Center Patient Chris

as Adrian

as Eric / Dylan

as Charlie(3 eps)

as Tom Ray

as Mike

as Claude Sabine(8 eps)

as Dr. Frederick Wurst(1 ep)

as Parker Hall

as Adam

as Self(1 ep)

as Adam(1 ep)

as Leonardo Da Vinci(28 eps)

as Eric

as Christian Jebb(1 ep)

as Lawrence Shepherd(12 eps)

as Gavin Sorenson(3 eps)

as Batman

as Romeo

as Freddie

as Mike

as Mr Wickham(3 eps)

as Paul

as Joe Clark

as Philip Horton(1 ep)

as David

as Robin Hood(1 ep)

as Raymond Boynton(1 ep)