<Ul> <Li> Louanne Stephens as Ruby : the dispatcher and manager of the sheriff 's office ( seasons 1 -- 6 ) </Li> <Li> Zahn McClarnon as Chief Mathias : chief of the Cheyenne reservation 's tribal police ( seasons 1 -- 6 ) </Li> <Li> A Martinez as Jacob Nighthorse : a local Cheyenne businessman representing the interests of his people ( seasons 1 -- 6 ) </Li> <Li> Gerald McRaney as Barlow Connally : a wealthy , powerful , local real estate developer and Branch 's father ( seasons 1 -- 4 ) </Li> <Li> Peter Weller as Lucian Connally : Branch 's uncle and Walt 's predecessor as sheriff , now retired ( seasons 1 -- 4 , 6 ) </Li> <Li> John Bishop as Bob Barnes : the town drunk who has worked a variety of odd jobs ( seasons 1 -- 6 ) </Li> <Li> Tom Wopat as Sheriff Jim Wilkins of neighboring Cumberland County ( seasons 1 -- 6 ) </Li> <Li> Louis Herthum as Omar : a local hunting guide with expertise in firearms ( seasons 1 -- 3 , 5 ) </Li> <Li> Katherine LaNasa as Lizzie Ambrose : a wealthy local woman with whom Walt has a tentative romantic relationship ( seasons 1 -- 2 ) </Li> <Li> Charles S. Dutton as Detective Fales : a detective from Denver investigating the suspicious death of the murderer of Walt 's wife ( seasons 1 -- 3 ) </Li> <Li> Derek Phillips as Travis Murphy : a boyhood friend of Branch Connally 's who wants to be a sheriff 's deputy ( seasons 2 -- 6 ) </Li> <Li> Michael Mosley as Sean Keegan : Vic 's husband , who works as a natural gas company executive ( seasons 1 -- 3 ) </Li> <Li> Jeffrey De Serrano as Hector : A Cheyenne ex-boxer who lives on the reservation and is a mercenary - for - hire for Cheyenne seeking justice ( seasons 1 -- 3 , 6 ) </Li> <Li> Lee Tergesen as Ed Gorski : an ex-cop from Philadelphia who used to work with Vic ( seasons 1 -- 3 ) </Li> <Li> Noam Jenkins as FBI Agent Towson : a by - the - book agent who is seen by the sheriff 's department as a negative force ( seasons 2 , 5 ) </Li> <Li> Graham Greene as Malachi Strand : former chief of the tribal police and Nighthorse 's chief of security at the casino ( seasons 3 -- 6 ) </Li> <Li> Hank Cheyne as Sam Poteet : a Cheyenne White Warrior and sage , whom Branch kidnaps and tortures ( seasons 3 -- 6 ) </Li> <Li> Scott Michael Campbell as Dr. Weston : a doctor at the regional hospital who occasionally assists in Longmire 's investigations ( seasons 3 -- 6 ) </Li> <Li> Josh Cooke as Eamonn O'Neill : a deputy from Cumberland County who fills in briefly after Branch 's death ( seasons 4 -- 5 ) </Li> <Li> Barry Sloane as Zachary `` Zach '' Heflin : hired by Walt as a new deputy ( seasons 4 -- 6 ) </Li> <Li> Ally Walker as Dr. Donna Monaghan : a therapist treating local veterans ( seasons 4 -- 5 ) </Li> <Li> Callum Keith Rennie as Walker Browning : a manager for a regional energy company ; Walt suspects him of criminal activity ( seasons 4 -- 5 ) </Li> <Li> Tamara Duarte as Mandy : a young Cheyenne woman hired by Cady Longmire to assist her in the legal - aid office on the Cheyenne reservation ( seasons 4 -- 6 ) </Li> <Li> Mary Wiseman as Meg : a nurse at the local hospital who begins dating Ferg ( seasons 5 -- 6 ) </Li> <Li> Eric Ladin as Mayor Sawyer Crane : the ambitious mayor of Durant ( seasons 5 -- 6 ) </Li> <Li> Brett Rice as Tucker Baggett : close friend of Barlow Connally , organizes a wrongful death lawsuit against Walt for the shooting of Barlow ( seasons 5 -- 6 ) </Li> <Li> Dylan Walsh as Shane Muldoon : leader of the Irish Mafia ( seasons 5 -- 6 ) </Li> </Ul>
<Ul> <Li> Louanne Stephens as Ruby : the dispatcher and manager of the sheriff 's office ( seasons 1 -- 6 ) </Li> <Li> Zahn McClarnon as Chief Mathias : chief of the Cheyenne reservation 's tribal police ( seasons 1 -- 6 ) </Li> <Li> A Martinez as Jacob Nighthorse : a local Cheyenne businessman representing the interests of his people ( seasons 1 -- 6 ) </Li> <Li> Gerald McRaney as Barlow Connally : a wealthy , powerful , local real estate developer and Branch 's father ( seasons 1 -- 4 ) </Li> <Li> Peter Weller as Lucian Connally : Branch 's uncle and Walt 's predecessor as sheriff , now retired ( seasons 1 -- 4 , 6 ) </Li> <Li> John Bishop as Bob Barnes : the town drunk who has worked a variety of odd jobs ( seasons 1 -- 6 ) </Li> <Li> Tom Wopat as Sheriff Jim Wilkins of neighboring Cumberland County ( seasons 1 -- 6 ) </Li> <Li> Louis Herthum as Omar : a local hunting guide with expertise in firearms ( seasons 1 -- 3 , 5 ) </Li> <Li> Katherine LaNasa as Lizzie Ambrose : a wealthy local woman with whom Walt has a tentative romantic relationship ( seasons 1 -- 2 ) </Li> <Li> Charles S. Dutton as Detective Fales : a detective from Denver investigating the suspicious death of the murderer of Walt 's wife ( seasons 1 -- 3 ) </Li> <Li> Derek Phillips as Travis Murphy : a boyhood friend of Branch Connally 's who wants to be a sheriff 's deputy ( seasons 2 -- 6 ) </Li> <Li> Michael Mosley as Sean Keegan : Vic 's husband , who works as a natural gas company executive ( seasons 1 -- 3 ) </Li> <Li> Jeffrey De Serrano as Hector : A Cheyenne ex-boxer who lives on the reservation and is a mercenary - for - hire for Cheyenne seeking justice ( seasons 1 -- 3 , 6 ) </Li> <Li> Lee Tergesen as Ed Gorski : an ex-cop from Philadelphia who used to work with Vic ( seasons 1 -- 3 ) </Li> <Li> Noam Jenkins as FBI Agent Towson : a by - the - book agent who is seen by the sheriff 's department as a negative force ( seasons 2 , 5 ) </Li> <Li> Graham Greene as Malachi Strand : former chief of the tribal police and Nighthorse 's chief of security at the casino ( seasons 3 -- 6 ) </Li> <Li> Hank Cheyne as Sam Poteet : a Cheyenne White Warrior and sage , whom Branch kidnaps and tortures ( seasons 3 -- 6 ) </Li> <Li> Scott Michael Campbell as Dr. Weston : a doctor at the regional hospital who occasionally assists in Longmire 's investigations ( seasons 3 -- 6 ) </Li> <Li> Josh Cooke as Eamonn O'Neill : a deputy from Cumberland County who fills in briefly after Branch 's death ( seasons 4 -- 5 ) </Li> <Li> Barry Sloane as Zachary `` Zach '' Heflin : hired by Walt as a new deputy ( seasons 4 -- 6 ) </Li> <Li> Ally Walker as Dr. Donna Monaghan : a therapist treating local veterans ( seasons 4 -- 5 ) </Li> <Li> Callum Keith Rennie as Walker Browning : a manager for a regional energy company ; Walt suspects him of criminal activity ( seasons 4 -- 5 ) </Li> <Li> Tamara Duarte as Mandy : a young Cheyenne woman hired by Cady Longmire to assist her in the legal - aid office on the Cheyenne reservation ( seasons 4 -- 6 ) </Li> <Li> Mary Wiseman as Meg : a nurse at the local hospital who begins dating Ferg ( seasons 5 -- 6 ) </Li> <Li> Eric Ladin as Mayor Sawyer Crane : the ambitious mayor of Durant ( seasons 5 -- 6 ) </Li> <Li> Brett Rice as Tucker Baggett : close friend of Barlow Connally , organizes a wrongful death lawsuit against Walt for the shooting of Barlow ( seasons 5 -- 6 ) </Li> <Li> Dylan Walsh as Shane Muldoon : leader of the Irish Mafia ( seasons 5 -- 6 ) </Li> </Ul>
who plays the mayor in longmire season 6
who plays the mayor in longmire season 6
Eric Ladin
Eric Ladin