Andrew O'Connor Director Robert Webb Karl Actor David Mitchell Harry Actor Jessica Hynes Linda Actor Andrea Riseborough Dani Actor Darren Boyd Otto Actor Peter Capaldi Mike Francis Actor Steve Edge Tony White Actor Sarah Hadland Carol Actor Jesse Armstrong Writer Sam Bain Writer Ollie Madden Producer Alexandra Derbyshire Co-Producer Scott Kroopf Executive Producer Lizzie Francke Executive Producer James Welland Cinematographer Lucien Clayton Film Editing Max Gottlieb Production Design Annie Hardinge Costume Design