Mike McLusky is coming back to TV as Mayor of Kingstown gears up for its fourth season and lead actor Jeremy Renner gets a new costar. Paramount+ announced in February 2025 that Edie Falco will be joining the series as newcomer Nina Hobbs. Fans are getting a first look at her character ahead of the show's highly anticipated season 4. "What I love about what we've constructed is that it has an unpredictable velocity that you cannot look away from," the show's cocreator and star Hugh Dillon (Ian Ferguson) told Entertainment Weekly in August 2025. "[Falco's] character is that personified.