A new eight-part series that takes a deep dive into the mind and life of one of America’s most notorious serial killers is coming to ITV . Devil in Disguise: John Wayne Gacy is a drama that tells the terrifying story of the killer with Severance star Michael Chernus in the leading role . He is joined by Gabriel Luna (The Last of Us), James Badge Dale (Savant, 1923), Michael Angarano (This Is Us, Oppenheimer), Chris Sullivan (This Is Us), and Marin Ireland (The Irishman, The Umbrella Academy). A