Actors Bae Doona and Gong Yoo pose during an online production presentation of the Netflix series "The Sea of Calm" (playplayplay by Park Eun-kyo/director Choi Hang-yong) which took place online on the morning of December 22.
About Gong Yoo
Gong Ji-cheol, better known by his stage name Gong Yoo, is a South Korean actor. He is best known for his roles in the television dramas Coffee Prince, Guardian: The Lonely and Great God, The Silent Sea, and Squid Game, and the films Silenced, Train to Busan and The Age of Shadows.
 Wikipedia