Kwon Ki-ha
Eun-gi (은기)
Acting
Jang Ha-ram
Seo-yeong (서영)
Acting
Yang Geun-seok
Yong-seong (용성)
Acting
Han Chae-min
Mrs. Seo/Boarding house owner
Acting
Bae Mi-ra
Soon-hee (순희)
Acting
Kim Dae-hyeon
Yeong-cheol (영철)
Acting
Baek In-Kwon
Yeong-boo (영부)
Acting
Bae Geon-sik
[Senior/Special appearance]
Acting
Kim Soo-ji
[Yeong-boo's girlfriend]
Acting
Jeon Ji-hak
[Mrs. Seo's husband]
Acting
Lee Deok-hee
[Comic bookstore owner]
Acting