TMDb/Murder in a Small Town TV Fox renews *Murder in a Small Town* for Season 3, adding Peter Gallagher to the cast as a charismatic newcomer who stirs up trouble in Gibsons. May 8, 2026 AceShowbiz - Fox has officially renewed Murder in a Small Town for a third season, announcing the exciting return of the acclaimed crime procedural. Alongside this renewal, the network revealed that Peter Gallagher, known for his role in The O.C., will join the cast as a new series regular. Based on the novels by L.R.