This is a huge K-drama confirmed casting but the impact has been tempered by the three leads names bandied about for some time in connection with this project. Upcoming ancient history sageuk Asadal has locked down leads Song Joong Ki, Kim Ji Won, Jang Dong Gun, and Kim Ok Bin. The four will front what is arguably the biggest K-drama announced so far for 2019, a story set in the beginning of the formation of the Korean historical kingdoms even earlier than Gorguyeo which was dramatized in Jumong. The drama will be directed by the PD of My Ahjusshi and Signal, with the screenwriter of Tree with Deep Roots, Queen Seondeok, and Six Flying Dragons. Consider be blown away impressed by the depth and breadth of the main cast and production team.