Guest Stars Alex Lawther as Kenny Jerome Flynn as Hector Natasha Little as Karen Ivanno Jeremiah as Moped Man Leanne Best as Penny Mariam Haque as Petrol Station Attendant Beatrice Robertson-Jones as Restaurant Daughter Camilla Power as Sandra Maya Gerber as Lindsay Sarah Beck Mather as Restaurant Mother Susannah Doyle as Blackmailed Woman Nicola Sloane as Bank Clerk Hannah Steele as Melissa Paul Bazely as The Man in the Woods Frankie Wilson as Tom Jimmy Roye-Dunne as Red