Trivia / Descendants of the Sun

• Romance on the Set: Between leads Song Joong Ki and Song Hye Kyo; who wed in October 2017. They divorced in 2019.
• Similarly Named Works: Just a letter off from Descendant of the Sun.
• Underage Casting: Kim Ji-Won was 22 during production, playing a relatively experienced soldier of an age with the other main characters^note Si-jin claims to have been a soldier for 15 years and has known Myeung-joo for 7 of those years.