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David Morse as "Big Foster" Farrell VI, the most powerful man on the mountain, and next in line to be Bren'in, the Farrells' leader. When denied his right of ascension, Farrell takes dangerous action to secure his power and to try to eliminate Asa, whom he considers to be a traitor to his family.
Joe Anderson as Asa Farrell, Big Foster's cousin, who left Shay Mountain and returns home after a ten-year absence. He was once in love with Lil Foster's lover G'Win, which creates tension as she attempts to help reintegrate him into the tribe.
Gillian Alexy as G'Winveer "G'Win" Farrell, Asa's third cousin and former lover. Currently involved with "Lil Foster", but seeks to help her former lover return to the family. Had a child who is now deceased with 'Lil' Foster.
Ryan Hurst as "Lil Foster" Farrell VIII, Big Foster's eldest son and enforcer and current boyfriend of G'Win who's also his third cousin.
Kyle Gallner as Hasil Farrell, Asa's fourth cousin, who was maimed by Big Foster after he stole some of the family's wine/moonshine to sell to a drug dealer, who bought him a drink when he snuck into town one night. Having lived most of his life on the mountain, Hasil wishes to know more about the civilized world, much to Big Foster's anger and dismay. He's fallen in love with Sally-Ann, a black resident of Blackburg.
Christina Jackson as Sally-Ann, one of the few African-American residents in Blackburg. Sally-Ann strikes up a relationship with Hasil, much to the anger of her brother, who does not want his sister to associate with a white man.
Thomas M. Wright as Deputy Sheriff Wade Houghton, Jr. A fifth-generation Houghton to live in Blackburg, second-in-command of the local sheriff's department, and a single father, Houghton is given the assignment of evicting the Farrells from their mountain fortress, a task he fears due to a past encounter his father, a coal company line boss, had with the Farrells that Wade believed caused his father's death. This incident led to Wade developing a great fear of the mountain clan. Suffers from PTSD and alcoholism, and takes unprescribed pills as a result of said encounter.
