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).
Baro (singer) Cha Sun-woo (born September 5, 1992), better known by his stage name Baro, is a South Korean singer, rapper, and actor. He is the main rapper of South Korean boy group B1A4 and debuted alongside with the group on the stage of MBC "Show! Music Core" on April 23, 2011. He made his acting debut through the hit 2013 cable drama "Reply 1994" and additionally received critical acclaim for his role in the 2014 drama "God's Gift - 14 Days". Baro won 12 medals in Idol Star Athletics Championships with 3 golds, 7 silvers and 2 bronzes.