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Kwak Dong-yeon started his acting career in 2012, and has since appeared in a number of television dramas and films. He is best known for his roles in the dramas "Secret Love" (2013), "Blood" (2015), and "Goblin" (2016). He has also appeared in the films "The Royal Tailor" (2014), "The King" (2017), and "The Spy Gone North" (2018).