Robert Taylor Walt Longmire Actor Lou Diamond Phillips Henry Standing Bear Actor Katee Sackhoff Victoria Moretti Actor Bailey Chase Branch Connally Actor Cassidy Freeman Cady Longmire Actor Adam Bartley The Ferg Actor Barry Sloane Zach Guest Star A Martinez Jacob Nighthorse Guest Star Zahn McClarnon Officer Mathias Guest Star Callum Keith Rennie Walker Browning Guest Star Josh Cooke Eamonn O'Neill Guest Star Louanne Stephens Ruby Guest Star Julia Jones Gabriella Langton Guest Star Stephen Louis Grush Monte Ford Guest Star Tantoo Cardinal Crow Medicine Woman Guest Star Aaron McPherson Trot Smic Guest Star Tamara Duarte Mandy Guest Star Geno Segers Calvin Blackwolf Guest Star Graham Greene Malachi Strand Guest Star Ally Walker Dr. Donna Sue Monahan Guest Star Hunt Baldwin Executive Producer, Writer John Coveny Executive Producer, Writer Greer Shephard Executive Producer Michael M. Robin Executive Producer Michael Offer Director