Actors

Actor

Ko Nan-do / Holo

Actor

Han So-yeon

Actor

Ko Yoo-jin

Actor

Baek Chan-sung

Actor

So-yeon's mother

Actor

Yoo Ram

Actor

Nam Gi-Ho

Actor

Jo Jin-Seok

Actor

Ji Na

Actor

Baek Nam-Gyu

Actor

Mr. Jeong

Actor

Ji Hye

Actor

Lee Dong Sik

Actor

Jeong Ah

Actor

GIO Labs staff

Actor

Lee Ki Chan Yeon Kang Woo [So Yeon's boss]

Actor

Mère de Nan-Do

Actor

Voice