Yoo Yeon-seok born 1984 acted in what 2016 South Korean film 
Yoo Yeon-seok:  His notable works include the films "Re-encounter" (2011), "Architecture 101" (2012), "A Werewolf Boy" (2012) and "Whistle Blower" (2014), "Perfect Proposal" (2015), "Mood of the Day" (2016) as well as the television series "Gu Family Book" (2013), "Reply 1994" (2013), "Warm and Cozy" (2015) and "Romantic Doctor, Teacher Kim" (2016). Mood of the Day: Mood of the Day () is 2016 South Korean film which stars Moon Chae-won and Yoo Yeon-seok
i don't know