Episode 4 S01 E04

Son Ye-jin (as Yun Jin-a) Jung Hae-in (as Seo Jun-hui) Jang So-yeon (as Seo Gyeong-seon) Jung Yoo-jin (as Kang Se-yeong) Joo Min-kyung (as Geum Bo-ra) Lee Joo-young (as Lee Ye-eun) Seo Jeong-yeon (as Jeong Yeong-in) Park Hyeok-kwon (as Director Nam Ho-gyeon) Oh Man-seok (as Yun Sang-gi) Kil Hae-yeon (as Kim Mi-yeon) Wi Ha-jun (as Yun Seung-ho) Yun Jong-seok (as Kim Seung-cheol) Jang Won-hyung (as Kim Dong-u) Kim Jong-tae (as President Jo Gyeong-sik) Oh Ryoong (as Lee Gyu-min)

forbidden love romance relationship older woman younger man relationship secret relationship family disapproval family pressure dramatic male chases female first nice male lead