Miss Night and Day [Russian]

Jung Eun-ji

Lee Mi-jin

Baek Seo-hoo

Ko Won

Lee Jeong-eun

Lim Sun

Choi Jin-Hyuk

Gye Ji Ung

Jung Young-joo

Im Cheong [Mi Jin's mother]

Yoon Byung-hee

Joo Byeong-deok

Jung Suk-yong

Lee Hak-chan (Mi-jin's father)

Kim A-young

Do Ga-yeong (Mi-jin's best friend)

Choi Bum-ho

Go Na-heun (Former soldier)

Kim Young-Mi

Veterinarian

Lee Ha-nee

Ko Won's CEO

Bae Hae-sun

Na Ok Hui

Mun Ye-won

Tak Cheon Hui [Prosecutor]

Jung Jae-sung

Baek Cheol Gyu [Hospital honorary director]

Kim Jae-rok

Geum Gwang-seok (Senior intern)

Kim Kwang-sik

Cha Jae Seong [Deputy chief prosecutor]

Jung Soo-Kyo

Detective Kwon

Kim Mi-ran

Woo Yeon