Holo, Meu Amor

윤현민

Go Nan Do / Holo

고성희

Han So-yeon

최여진

Go Yu Jin

황찬성

Baek Chan Sung

이정은

So-yeon's mother

강승현

Yoo Ram [Stewardess / So Yeon's friend]

Jeong Do-won

Mr. Jeong [Chan Sung's aide]

Jung Young-ki

Jo Jin Seok [Senior Programmer, GIO Labs]

Park Geon-gyu

[GIO Labs staff]

Yang Dae-hyeok

Lee Dong Sik [Prism employee]

공민정

Jeong Ah [Prism employee]

남명렬

Baek Nam Gyu [Chan Sung's father / Company president]

손종학

Nam Gi Ho [IT crimes Detective]

이유미

Ji Hye [Prism employee]

정연주

Ji Na [Detective]

이기찬

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

김수진

Mère de Nan-Do