As of February 2015, the stars of "Longmire" are Robert Taylor, Katee Sackhoff, Lou Diamond Phillips, Bailey Chase, Cassidy Freeman and Adam Bartley. Robert Taylor plays Walt Longmire, a sheriff and the main character of the series. Katee Sackhoff plays Victoria Moretti, a deputy sheriff.
Lou Diamond Phillips plays Henry Standing Bear, Walt's best friend. Bailey Chase plays Branch Connally, also a deputy sheriff. Cassidy Freeman plays Cady Longmire, Walt's daughter. Adam Bartley plays "The Ferg" Ferguson, another deputy sheriff. Recurring cast members include Louanne Stephens, A Martinez, Zahn McClarnon, Michael Mosley, Louis Herthum, John Bishop and Charles S. Dutton.
The series was based on a book series called the "Walt Longmire Mysteries." Season one premiered in 2012, and took place in a fictional area of Wyoming called Absaroka County. It dealt with Walt running for re-election as sheriff and the lives of his friends, family and deputies. Walt's past was shown in flashbacks throughout the season.
Season two premiered in 2013. It involved the investigation into the death of Miller Beck, who killed Walt's wife. During this season, Victoria Moretti was stalked by a retired police officer, and Cady was attacked then hit by a car towards the end of the season.
Season three premiered in 2014. It followed the lives of each character as the investigation into Miller Beck's death progressed. Henry was charged with the murder in this season, but the charges were eventually dropped. Additionally, Branch investigated the man who he believed shot him.