Cast
Cha Soo-yeonYoon Ji-OnCha Soo-yeon was 22 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Sat, Aug 15 1981
Oh Yoon-ahOh Hye-RanOh Yoon-ah was 23 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Tue, Oct 14 1980
Ji Hyun-wooJang Sun-IlJi Hyun-woo was 19 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Thu, Nov 29 1984
Shin Dong-wookChoi Il-DooShin Dong-wook was 21 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Tue, Sep 14 1982
Park Byung-eunPark Byung-eun was 26 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Thu, Jul 14 1977
Kang Ji-hwanSuh In-WooKang Ji-hwan was 27 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Sun, Mar 20 1977
Jung Kyung-hoHa Ki-HoJung Kyung-ho was 20 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Wed, Aug 31 1983
Lee Soo-kyungSong Na-KyungLee Soo-kyung was 22 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Sat, Mar 13 1982
Jeon Bae-sooExecutive DirectorJeon Bae-soo was 34 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Tue, Jun 02 1970
Lee Ji-hoonKim Chul-KooLee Ji-hoon was 25 in 알게될거야 - Season 1 - Episode 4 (Episode 4).
Birthday: Tue, Mar 27 1979