EXO's Suho (née Kim Jun Myeon) leads the cast as Sang Woo, a 20-year-old who is preparing to begin his service in the Korean military as a member of the Marine Corps. His life is abruptly changed when an incident occurs during a coming-of-age road trip to the seashore town of Pohang.

Suho previously appeared as an extra in the 2007 Super Junior movie, "Attack of the Pin-up Boys."

Following his debut with EXO, he provided Korean vocals for Bernard in the animated feature, "Saving Santa" and had a cameo in the 2014 family drama, "The Prime Minister and I."

His breakout acting role was in Naver TV Cast's web drama, "EXO Next Door," where he acted alongside other members of the popular SM Entertainment male group.

Ryu Jun Yeol was virtually unknown when "Glory Day" premiered at the Busan International Film Festival, but he received widespread acclaim through his portrayal of Junghwan in the tvN drama, "Rely 1988."

Ryu portrays Ji Gong in the film, which serves as second feature film role following the 2014 psychological flick, "Socialphobia."

Ji Soo continues his reign as an emerging teen heartthrob as Yong Bi. Ji captured the hearts of K-Drama fans as he wooed Kim Hee Sun in the teen bullying drama, "Angry Mom." He followed with his turn as the second romantic lead in the cheerleading series, "Sassy Go Go."

In February 2016, he returns to television in the KBS drama special, "Page Turner."

He is also a member of the "flower boy" cast of the upcoming SBS drama, "Moon Lovers," where he appears alongside IU, Lee Joon Gi, Kang Ha Neul, EXO's Baekhyun, Nam Joo Hyuk, and Hong Jong Hyun.

Kim Hee Chan fell on the radar of drama fans as Tak Ye Joon, the younger brother of Gong Hyo Jin in the summer 2015 blockbuster comedy, "Producer." He currenly appears as Hong Joon in "Cheese in the Trap" and rounds out the main cast of "Glory Day" as Doo Man.