劉宰尚

Jae-sang Yoo

饰：Tae-yang

郑多彬

정다빈

饰：Baek-hap

郑多恩

Jung Da-eun

饰：No-ran

金焕熙

김환희

李钟赫

이종혁

饰：Home room teacher

金俊勉

Kim Jun-myeon

金贤彬

Hyun-bin Kim

Hyeong-Seok-I

Hyeong-Seok Jeong

饰：미래 아버지 / 게임세계-마커스

刘宰尚

Jae-sang Yoo

饰：Tae-yang

张宥

Sang-hee Lee

饰：교감선생

Yoon-joong Ok

Yoon-joong Ok

饰：Park couple man/Doll mask stand-in

琴俊弦

Junhyeon Kum

全卢民

전노민

饰：Baek-Hab's father

金玄彬

김현빈

饰：Jae-Min

金静华

Kim Jung-Hwa

饰：Jang Mi-Rae's mother,(as Kim Jung Hwa)