Chae Seo-jin

Choi Soo-hyun

Kim Jung-hyun

Choi Do-hyun

Seo Young-hwa

Yeon-hee

Jeong Jun-hwa

Chemist

Jo Jae-yeong

Mapo Bridge Man

이우주

Library Kid

Jeong Jong-yeol

Library Janitor

Lee Chae-kyung

Psychiatrist