Master's Sun (Hangul: 주군의 태양; RR: Jugun-ui Taeyang) is a 2013 South Korean television series starring Gong Hyo-jin and So Ji-sub. The horror-romantic comedy is written by the Hong Sisters, and aired on SBS from August 7 to October 3, 2013 on Wednesdays and Thursdays at 21:55 for 17 episodes Joo Joong-won (So Ji-sub) is the stingy and greedy CEO of Kingdom, a conglomerate that includes a major department store and hotel. He meets the gloomy Tae Gong-shil (Gong Hyo-jin), who started seeing ghosts after an accident. Their lives take a new turn as they work together to deal with the terror and sadness brought about by the spirits, while delving into a kidnapping incident in Joong-won's past. Also known as The Sun of My Master The Sun of the Lord Mr. Joo's Miss Tae Genre Romance Comedy Horror Drama Written by Hong Sisters Directed by Jin Hyuk Starring Gong Hyo-jin So Ji-sub Composer(s) Oh Joon-sung Country of origin South Korea Original language(s) Korean No. of episodes 17 Production Executive producer(s) Son Jung-hyun Producer(s) Kim Jin-geun Lee Young-joon Main Cast So Ji Sub as Joo Joong Won / Joo-goon L as young Joong Won Gong Hyo Jin as Tae Gong Shil / Tae-yang Seo In Guk as Kang Woo Kim Yoo Ri as Tae Yi Ryung People around Joo Joong Won Choi Jung Woo as Kim Gwi Do Kim Mi Kyung as Joo Sung Ran (Joong Won's aunt) Lee Jong Won as Do Suk Chul (Sung Ran's husband) People around Tae Gong Shil Park Hee Bon as Tae Gong Ri (Gong Shil's sister) Hong Eun Taek as Lee Seung Joon Lee Do Hyun as Lee Seung Mo Others Lee Jae Won as Lee Han Joo (security team member) Jung Ga Eun as Ahn Jin Joo (Kingdom shopping mall employee) Kim Yong Gun as Joong Won's father Han Bo Reum as Cha Hee Joo (Joong Won's first love) Hwang Sun Hee as Cha Han Na / Han Na Brown Go Nak Hyun (고낙현) as Joon Suk (coffee ghost) Lee Yong Nyuh as Madam Go (psychic matchmaker) The Master's Sun online