Cast Members (18)
윤KSCYHCLJ강SJ정JY남JD이양공PG김이백
윤현민
as Ko Nan-do / Holo
12 episodes
Ko Sung-hee
as Han So-yeon
12 episodes
Choi Yeo-jin
as Ko Yoo-jin
12 episodes
Hwang Chan-seong
as Baek Chan-sung
12 episodes
Lee Jung-eun
as So-yeon's mother
12 episodes
강승현
as Yoo Ram
12 episodes
Son Jong-hak
as Nam Gi-Ho
12 episodes
정영기
as Jo Jin-Seok
12 episodes
Jeong Yeon-joo
as Ji Na
12 episodes
남명렬
as Baek Nam-Gyu
12 episodes
Jeong Do-won
as Mr. Jeong
12 episodes
이유미
as Ji Hye
12 episodes
양대혁
as Lee Dong Sik
12 episodes
공민정
as Jeong Ah
12 episodes
Park Geon-gyu
as GIO Labs staff
12 episodes
김수진
as Mère de Nan-Do
1 episode
이기찬
as Lee Ki Chan Yeon Kang Woo [So Yeon's boss]
4 episodes
백진희
as Voice
1 episode