Xi luhan as Christian Zach Samaniego....He is the leader of the group.....His friends called him ZACH..he is a heartthrob in Royal Academy.......he likes playing girls heart becoz wala pa daw c the one niya ........
Oh Sehun as Steven Ace Villanueva....he is the maknae of the group......He has sister and it is Chloe.....Sa kanilang apat,siya na yung masasabing good one
Kim Jong In or kai as Kevin Manuel sebastian.....He is the ultimate play boy among the four.....he is a troller in his group.....
Park Chanyeol as Tristan cooper Zeballa.....he is the happy virus of the group....siya yung tipong di mo makikitaan ng problema sa buhay Niya....lagi kasing nakangiti eh....
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