Lee Hyun-woo (born March 23, 1993) is a South Korean actor and singer. He started as a child actor and appeared in television series The Return of Iljimae (2009) and Queen Seondeok (2009). He later featured in Master of Study (2010) and To the Beautiful You (2012). Lee gained acclaim as North Korean spy in … More Lee Hyun-Woo

Park Bo-gum (born June 16, 1993) is a South Korean actor and host. He made his acting debut in the film Blind in 2011 and gained acclaim with his diverse range of roles in television dramas: playing a cello prodigy in Cantabile Tomorrow (2014), a psychopathic lawyer in Hello Monster (2015), a genius Baduk player … More Park Bo-Gum

Yeo Jin-goo (born August 13, 1997) is a South Korean actor. He began his career as a child actor, notably in the film Sad Movie(2005), the television dramas Giant (2011), Moon Embracing the Sun (2012), Missing You (2012), and the sitcom Potato Star 2013QR3 (2013-2014). In 2013, Yeo played his first big-screen leading role as the … More Yeo Jin-Goo