Gaten Matarazzo made a guest appearance in the popular crime thriller series The Blacklist. The show revolves around Raymond 'Red' Reddington, a former government agent turned high-profile criminal who voluntarily surrenders to the FBI. Matarazzo played the role of a young boy named Finn, who becomes a key witness in a case investigated by the show's protagonist, Elizabeth Keen. Matarazzo's performance in The Blacklist showcased his versatility as an actor, as he portrayed a character caught in the midst of dangerous circumstances.