In 2019, Scott played The Priest in series two of the award-winning BBC Three comedy-drama "Fleabag". Also in 2019, he appeared in the Netflix anthology series "Black Mirror", as the lead character Chris in the Season 5 episode "Smithereens". In June to August 2019, Scott starred as the matinee idol Garry Essendine in Matthew Warchus's revival of Noël Coward's "Present Laughter" at the Old Vic in London. He has been cast as Colonel John Parry/Jopari/Stanislaus Grumman in the HBO/BBC adaptation of Philip Pullman's "His Dark Materials".