If You Only Knew: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! If You Only Knew Comedy, Drama, Romance 6/6/04 – 10/31/04 Korea, Republic of http://www.kbs.co.kr/drama/youth_n/ GeneralEpisodesTranslationsCastCharactersGallery Cast See full cast → Cha Su Yeon as Yun Ji On Oh Yoon Ah as Oh Hye Ran Ji Hyun Woo as Jang Sun Il
