Cast
Seo Dong SungSeo Dong Sung was 18 in One Night Study - Season 1 - Episode 1 (Episode 1). Birthday: Tue, Apr 09 1996
Lee Gook-juLee Gook-ju was 29 in One Night Study - Season 1 - Episode 1 (Episode 1). Birthday: Sun, Jan 05 1986
Lee Seung-hyubLee Seung-hyub was 22 in One Night Study - Season 1 - Episode 1 (Episode 1). Birthday: Sat, Oct 31 1992
Cha HunCha Hun was 20 in One Night Study - Season 1 - Episode 1 (Episode 1). Birthday: Tue, Jul 12 1994
Kim Jae-hyunKim Jae-hyun was 20 in One Night Study - Season 1 - Episode 1 (Episode 1). Birthday: Fri, Jul 15 1994
Yoo Hwe-seungYoo Hwe-seung was 20 in One Night Study - Season 1 - Episode 1 (Episode 1). Birthday: Tue, Feb 28 1995
Lee Gook-ju
Lee Seung-hyub
Cha Hun
Kim Jae-hyun
Yoo Hwe-seung