Answer
Kwak Dong-yeon is an actor who has starred in many popular Korean dramas. However, he did not star in The King's Affection. This series is a historical romance drama about a princess who disguises herself as a prince. It stars Park Eun-bin, Rowoon, Nam Yoon-su, and Choi Byung-chan. Kwak Dong-yeon has starred in many other popular dramas, including Fight for My Way, Suspicious Partner, and My Roommate is a Gumiho.