Park Jin-young, known mononymously as Jinyoung, and formerly as Jr. and Junior, is a South Korean singer, actor, and songwriter. He is a member of the boy band Got7 and boy band duo JJ Project. He made his acting debut in the drama Dream High 2 (2012) followed by a series of supporting roles until he landed a main role in He Is Psychometric (2019). He made his film debut in the independent film A Stray Goat (2016).

Jeong Jin-woon (Korean: 정진운), most often credited as Jinwoon, is a South Korean singer and actor. Debuting as a member of the group 2AM in July 2008, he began his acting career in 2012 with the KBS series Dream High 2, playing Jin Yoo-jin.