Home People Kwak Si-yang Kwak Si-yang movies Kwak Si-yang movies Kwak Si-yang Movies (6) Battle of Jangsari (2019) As Park Chan-nyeon. He was 32 years old The Witness (2018) As Tae-ho. He was 31 years old Familyhood (2016) As Ji-hoon. He was 29 years old Elephant in the Room (2016) As Lee Jae-won. He was 29 years old SORI: Voice from the Heart (2016) As Hyeon-soo. He was 29 years old Night Flight (2014) As Yong-ju. He was 27 years old