My Holo Love

Yoon Hyun-min

윤현민

as Ko Nan-do / Holo

Ko Sung-hee

고성희

as Han So-yeon

Choi Yeo-jin

최여진

as Ko Yoo-jin

Hwang Chan-sung

황찬성

as Baek Chan-sung

Lee Jung-eun

이정은

as So-yeon's mother

Kang Seung-hyun

강승현

as Yoo Ram

Son Jong-hak

손종학

as Nam Gi-Ho

Jung Young-ki

정영기

as Jo Jin-Seok

Jeong Yeon-joo

정연주

as Ji Na

Nam Myung-ryeol

남명렬

as Baek Nam-Gyu

Jeong Do-won

정도원

as Mr. Jeong

Lee You-mi

이유미

as Ji Hye

Yang Dae-hyeok

양대혁

as Lee Dong Sik

Gong Min-jeung

공민정

as Jeong Ah

Park Geon-gyu

as GIO Labs staff