Jang Shin-young as Jo Seok-kyung Oh Dae-hwan as Lee Yong-jae Han Sun-hwa as Ha Ji-na Kim Yu-mi as Lee Hyo-ri Kim Hee-chan as Oh Jae-min FeelDog as Eun Ho-jae Choi Beom-ho as Seo Tae-woo Lee Yoon-sang as Han Jung-tae Park Se-wan as Lee Kkot-bi Im Ye-jin as Mrs. Eun Shin Dong-mi as Jo Seok-kyung's ex-husband's fiancée Ratings In the table below, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings. NR denotes that the drama did not rank in the top 20 daily programs on that date. Awards and nominations Original soundtrack Part 1 Part 2 Part 3 Part 4 Part 5 Part 6 Part 7 International broadcast In Vietnam: Danet.vn & FPT Play (streaming online 3 hours after Korea) In Peru: the series aired on August 28, 2018 at 6:50 pm References External links Radiant Office official MBC website 2017 South Korean television series debuts MBC TV television dramas Korean-language television shows South Korean romantic comedy television series 2017 South Korean television series endings