Question: What is the name of the South Korean model and actor, who starred in Who Are You: School 2015?

Related documents: [0]  [DOC] Who Are You: School 2015 (Hangul: 후아유: 학교 2015 ; RR: "Huayu: Hakgyo 2015 " ) is a South Korean television series, starring Kim So-hyun, Nam Joo-hyuk, and Yook Sung-jae. It aired on KBS2 from April 27 to June 16, 2015 every Monday and Tuesday at 21:55 KST for 16 episodes. It is the sixth installment of KBS's "School" series which premiered in 1999. [END] 
[1]  [DOC] Nam Joo-hyuk (born February 22, 1994) is a South Korean model and actor. He has starred in "" (2015), "Weightlifting Fairy Kim Bok-joo" (2016) and "Bride of the Water God" (2017). [END]  
Answer: Nam Joo-hyuk
Nam Joo-hyuk