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