In Season 2, Lee Jung-jae's character reenters the deadly game — but with a clear enemy and surprising new ally.
Lee Jung-jae's Seong Gi-hun, a.k.a. Player 456, goes back into the game on Dec. 26.
Lee Jung-jae, 52, says universal themes make it a global hit ...
After the Korean series' first season, years in the making, hit it big on Netflix, creator surprised himself by quickly writing another.