Unfinished Business In the first-season finale, a teen is murdered after being acquitted of raping a Cheyenne girl. Later, Walt is forced to finally confront his wife’s death. Details Casts Videos Galleries Posters Season Lists Title Unfinished Business Genres Western Crime Drama Release Date 2012-08-12 Episode Runtime 00 Hours 45 Minutes Season Number 1 Episode Number 10 Production Companies Two Boomerang, Warner Horizon Television, The Shephard/Robin Company Robert Taylor... Walt Longmire... Katee Sackhoff... Victoria 'Vic' Moretti... Lou Diamond Phillips... Henry Standing Bear... Bailey Chase... Branch Connally... Cassidy Freeman... Cady Longmire... Adam Bartley... Ferg... Longmire - Season 1 - Promo (Trailer) Original Size (3840x2160) Original Size (1920x1080) Original Size (1067x1600) Original Size (1000x1500) Original Size (960x1440) Original Size (960x1440) Original Size (706x1000) Original Size (550x809) Original Size (680x1020) Original Size (800x1200) Original Size (1000x1500) Season 1 10 Episode(s) 2012-06-03 Season 2 13 Episode(s) 2013-05-27 Season 3 10 Episode(s) 2014-06-02 Season 4 10 Episode(s) 2015-09-10 Season 5 10 Episode(s) 2016-09-23 Season 6 10 Episode(s) 2017-11-17