| 1 | Duane | Stewart | Geo's grandson. |
| | Gina | Stewart | Geo's granddaughter-in-law. Duane's wife. |
| | Geo | | Duane's grandfather. One of the original founders of Durant. Aka: George Stewart Sr. |
| | Ruby | | Walt's dispatcher. |
| | Morris | Stewart | Duane's uncle. A mechanic shop owner. |
| | Mike | Thomas | The Stewart's neighbor. |
| | Victoria | Moretti | Walt's undersheriff. Aka: Vic. |
| | Santiago | Saizarbitoria | The Basque deputy. Aka: The Basquo, Sancho. |
| | Walter | Longmire | Protagonist and Narrator. Aka: Walt. |
| | Cathi | Kindt | One of Walt's deputies. |
| | Dirty | Shirley | The last madam doing business in Durant. |
| | Geo Jr. | | Duane's father. Aka: George Stewart Jr. |
| | Mike | Hodges | The Hat seller. |
| | Janine | | Walt's dispatcher. Ruby's granddaughter. |
| | Alphonse | | Vic's uncle. |
| | Lena | Moretti | Vic's mother. |
| | Virgil | | One of Walt's cell lodgers. |
| | Henry | Standing Bear | Walt's best friend. Aka: Cheyenne Nation. |
| | Cady | Longmire | Walt's daughter. |
| | Isaac | Bloomfield | All around Durant Memorial physician-in-charge. |
| | Andy | Hall | Walt's optometrist. |
| 2 | Dog | | Walt's dog. |
| | The | Ferg | One of Walt's associates. |
| | Michael | Moretti | Cady's fiancé. Vic's brother. |
| | Butch | | Geo's wolf-dog. |
| | Sundance | | Geo's wolf-dog. |
| | Ozzie | Dobbs Sr. | A land developer. Ozzie's father. |
| | Ozzie | Dobbs Jr. | The Stewart's neighbor. Gina's lover. Aka: Tweedledum. |
| | Martha | Longmire | Walt's late wife. |
| | Marie | | Sancho's wife. |
| | Antonio | | Sancho's son. Aka: The Critter. |
| | Double | Tough | One of Sancho's deputies. |
| | Betty | Dobbs | Ozzie's mother. Geo's mistress. |
| 3 | Dr. | Morton | Walt's friend. |
| | Felix | Polk | The man who lost his thumb. |
| | Lindy | | Geo's parrot. |
| | Douglas | Moomey | The builder of Stewart's house. |
| | Shirley | Vandermier | One of the local call girls. |
| | Lucian | Connally | Walt's former boss. |
| 4 | Lee | | Henry's half brother. |
| | Lola | | Henry's car. |
| | Dorothy | Caldwell | The chief cook. |
| | Trey | Gill | Marie's doctor. |
| | Jim | Whittaker | The first American to climb Everest. |
| | Lou | Whittaker | Jim's brother. |
| 5 | Joel | Ostiind | An artist. |
| | Chris | Wyatt | The 911 operator. |
| 6 | David | Nickerson | Isaac's new resident. |
| 7 | Bill | McDermott | Isaac's colleague. The Montana ME. |
| 8 | Scott | Montgomery | The sheriff of Travis County. |
| 9 | Trudy | Thorburn | One of the deputies. |
| | Rachael | Terry | The woman at the engineering firm. |
| | Dave | | The cashier at Sportstop. |
| 10 | John | Muecke | The bank president. |
| 11 | Pat | Cook | Lucian's former deputy. |
| 12 | Justin | Stroup | The new bartender. |
| | Carla | Lorme | A part-timer at the bar. |
| | Claude | Lorme | Carla's sister. |
| 15 | Joe | Meyer | The state attorney general. |
