Full Cast & Crew

Top Billed Cast

Yoon Hyun-min

Yoon Hyun-min

Ko Nan-do / Holo

Ko Sung-hee

Ko Sung-hee

Han So-yeon

Choi Yeo-jin

Choi Yeo-jin

Ko Yoo-jin

Hwang Chan-seong

Hwang Chan-seong

Baek Chan-sung

Lee Jung-eun

Lee Jung-eun

So-yeon's mother

Kang Seung-hyun

Kang Seung-hyun

Yoo Ram

Full Cast

Son Jong-hak

Son Jong-hak

Nam Gi-Ho

Jung Young-ki

Jung Young-ki

Jo Jin-Seok

Jeong Yeon-joo

Jeong Yeon-joo

Ji Na

Nam Myung-ryeol

Nam Myung-ryeol

Baek Nam-Gyu

Jeong Do-won

Jeong Do-won

Mr. Jeong

Lee You-mi

Lee You-mi

Ji Hye

Yang Dae-hyeok

Yang Dae-hyeok

Lee Dong Sik

Gong Min-jeung

Gong Min-jeung

Jeong Ah

Park Geon-gyu

Park Geon-gyu

GIO Labs staff

Crew

Ryu Yong-jae

Writer

Lee Sang-yeob

Director

Jinnie Choi

Executive Producer

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