<P> Yoo Si - jin ( Song Joong - ki ) is the captain of a South Korean Special Forces unit . He and his friend Sergeant Major Seo Dae - young ( Jin Goo ) are off - duty when they witness a young man , Kim Ki - bum ( Kim Min - seok ) , steal a motorcycle and apprehend him . The thief is injured during his capture and therefore sent to the hospital . Dae - young realizes his cell phone was stolen by the thief and goes to the hospital along with Si - jin to retrieve his cellphone . </P>
<P> Yoo Si - jin ( Song Joong - ki ) is the captain of a South Korean Special Forces unit . He and his friend Sergeant Major Seo Dae - young ( Jin Goo ) are off - duty when they witness a young man , Kim Ki - bum ( Kim Min - seok ) , steal a motorcycle and apprehend him . The thief is injured during his capture and therefore sent to the hospital . Dae - young realizes his cell phone was stolen by the thief and goes to the hospital along with Si - jin to retrieve his cellphone . </P>
song joong ki name in descendants of the sun
song joong ki name in descendants of the sun
Yoo Si - jin
Yoo Si - jin