Guest Stars Layton Williams as Stephen Carmichael Charlie Wernham as Mitchell Harper Nikki Runeckles as Chantelle Parsons Kae Alexander as Jing Chow Ethan Lawrence as Joe Poulter Jack Binstead as Rem Dogg Jack Bence as Frank Grayson Leila Hoffman as Mrs Olive Mollinson Rupert Vansittart as Humpage Leo Suter as Posh Pupil