Guest Stars Greg Davies as Phil Gilbert Emily Head as Carli D'Amato Martin Trenaman as Alan Cooper Henry Lloyd-Hughes as Mark Donovan John Seaward as John Emily Atack as Charlotte Hinchcliffe Ollie Holme as Tom Amanda St. John as Miss Timbs Ash Varrez as Mr. Sethi Jo Maycock as Samantha Transformer as Themselves (The Band) Uncredited Greg Coker as David