Kingdom: Ashin of the North will be directed by Kim Seong-hun, who directed and oversaw the production of the first season of Kingdom. Writer Kim Eun-hee, who scripted the two seasons, also returned to pen this epic story. Gianna Jun who made a striking appearance as the adult Ashin at the end of Season 2, returns to appease the viewers clamoring for more of her intriguing character. Kim Sia, who has impressed with her skilled acting in The House of Us and Miss Baek, will portray Ashin as a child. Park Byung-eun reprises his role as Min Chi-rok, the Head of the Royal Commandery Division who helped Crown Prince Lee Chang in fending off the infected from infiltrating the royal palace. Kingdom: Ashin of the North tells the tale of the mysterious new figure Ashin and the origins of the epidemic that revived the dead king and led to the devastation of the Joseon kingdom.