Characters played by Sung-Jae Lee
Yun-ju
Characters played by Bae Doona
Hyun-nam
Characters played by Ho-jung Kim
Eun-sil
Characters played by Byun Hee-Bong
Janitor
Characters played by Su-hee Go
Jang-mi (Hyun-nam's friend)
Characters played by Roe-ha Kim
Shadow Man
Characters played by Jin-gu Kim
Granny
Characters played by Im Sang-soo
Senior Joon-pyo
Characters played by Jeong-seon Seong
Aengbali
Characters played by Jae-ha Jo
Aengbali's baby
Characters played by Chae-rin Hwang
Seul-gi
Characters played by Sookyung Lee
Seul-gi's mother
Characters played by Hyuk-Poon Kwon
Management office chief
Characters played by Yeongi Lee
Management office old-timer
Characters played by Yong-ok Kim
Management office director
Characters played by Se-Geum Oh
Grandma's relative
Characters played by Seong-hae Kang
Nam Goong-myeon
Characters played by Jin-won Lee
College dean