Guest Characters are characters who aren't main or recurring often appear in a few episodes usually many only appear in one.
Series one
B-Mode the brother of Nathan Carter and Josh and was more successful at rapping than Nathan. Is idolised by Josh. Appears in Episode 1 he returns in series six in episode three
Oliver a student an Elmsbury is shown to be very clever Josh uses him to his homework
Series 2
Dexters dad Dexter's father Dexter was keen to impress but ended up lying to him appears in episode 5
Series three
Series 4
Nathan Carter
Moses carter
Carson a student at elmsmere ran a club where Clem joined
Hopkins a student plays netball
Martin Thompson a student is shown to be tough Nero lied to him about the science show to him which resulted in him getting cross
Bryony a student at Clem's old school she is shown to be mean to Clem and speaks in a posh accent
Sister Dorothy - a PE teacher at Clem's old school
Sasha a student at elmsmere
Mad scientist a performer in the science show
Series 5
Shona a social worker vista Dexter's flat
Mary a student at elmsmere