Guest Stars Layton Williams as Stephen Carmichael Charlie Wernham as Mitchell Harper Kae Alexander as Jing Chow Ethan Lawrence as Joe Poulter Nikki Runeckles as Chantelle Parsons Jack Binstead as Rem Dogg Jack Bence as Frank Grayson Frances Barber as Alfie's Mum Greg McHugh as Bonehead Jake Canuso as Javier Garcia-Ramires