Longmire - Season 3 is an Action, Crime, Drama TV Series. It was released on 2 Jun. 2014. It stars Robert Taylor, Katee Sackhoff, Lou Diamond Phillips. The season begins with: Longmire investigates Branch’s shooting, but Branch insists that he was shot by a dead man. Meanwhile, Henry goes to prison after being arrested for killing Longmire’s wife’s killer… What await ahead?