While You Were Sleeping Genre: Fantasy, Legal, Romance Episodes: 32 (35 minutes/episode) Broadcast network: SBS Broadcast period: 2017-Sep-27 to 2017-Nov-16 Air time: Wednesday & Thursday 22:00 (2 episodes back-to-back) Synopsis This is a pre-produced drama. Filming began on 2017-Feb and finished 2017-July. The drama is about a woman, Name Hong Joo (Bae Suzy), who can see unfortunate events in her dreams, and a prosecutor, Jung Jae chan (Lee Jong Suk) who does everything he can to prevent the woman’s dreams from coming true. Cast Main Cast Lee Jong Suk as Jung Jae Chan – Nam Da Reum as Jung Jae Chan (young) Bae Suzy as Nam Hong Joo Lee Sang Yeob as Lee Yoo Bum – Yeo Hoe Hyun as Lee Yoo Bum (young) Jung Hae In as Han Woo Tak Go Sung Hee as Shin Hee Min Division 3 Detectives Min Sung Wook as Lee Ji Kwang Bae Hye Sun as Son Woo Joo Lee Ki Young as Park Dae Young Kim Won Hae as Choi Dam Dong Park Jin Joo as Moon Hyang Mi Son San as Min Jung Ha People around Jung Jae Chan Shin Jae Ha as...