TMDb/9-1-1: Nashville TV Ryan Phillippe joins 9-1-1: Nashville as a seductive detective leading a biblical-scale investigation. New season, new drama. April 21, 2026 AceShowbiz - Ryan Phillippe is set to join the cast of 9-1-1: Nashville as a series regular in its upcoming second season, according to Deadline.Phillippe will portray a "brilliant, iconoclastic detective" who arrives from New York City to Nashville. His character is tasked with leading an investigation into a mysterious criminal causing havoc on what the show describes as a "biblical scale.