The Promise: Cast
Lee Yu-ri
Lee Na-Yeon / Baek Do-Hee
Song Jong-ho
Park Hwi-Kyung
Park Ha-na
Jang Se-Jin
Seo Jun-young
Kang Tae-Joon
Lee Jong-won
Jang Kyung-Wan
Hye-ri Kim
Park Yoo-Kyung
Yoon Joo-Sang
Park Man-Jae
Kim Esther
Lee Eun Bong (Young)
Jang Do-yun
Young Park Hwi Kyung
Lee Yeon-su
Lee Yun-ae