Kwon Ki-ha

Eun-gi (은기)

Jang Ha-ram

Seo-yeong (서영)

Yang Geun-seok

Yong-seong (용성)

Han Chae-min

Mrs. Seo/Boarding house owner

Bae Mi-ra

Soon-hee (순희)

Kim Dae-hyeon

Yeong-cheol (영철)

Baek In-Kwon

Yeong-boo (영부)

Bae Geon-sik

[Senior/Special appearance]

Kim Soo-ji

[Yeong-boo's girlfriend]

전지학

[Mrs. Seo's husband]

Lee Deok-hee

[Comic bookstore owner]

Gyeong Seok-Ho