Guardian: The Lonely and Great God starred what BtoB boy group member?
Yook Sung-jae Yook Sung-jae (; born (1995--) 2, 1995 ) is a South Korean singer, actor and host. He is a member of the boy group BtoB and its sub-group, BtoB Blue. Aside from his group's activities, Yook is known for acting in television dramas, "" (2015), "" (2015) and "" (2016).
Luke O'Reilly (Bel's Boys) Luke O'Reilly (born 30 January 1988) is a Northern Irish actor and musician, perhaps best known for his work in the CITV series "Bel's Boys", and as part of the band of the same name.