EXCLUSIVE: Longmire alum Adam Bartley, Chai Hansen (New Legends Of Monkey), Julieta Zylberberg (The Invisible Look), Rocío Hernández (La caída), and Kiah McKirnan (Mare of Easttown) are set as series regulars opposite Sissy Spacek and J.K. Simmons in Amazon’s genre-bending drama series Lightyears, a co-production between Amazon Studios and Legendary Television.