Lee Sung-jae as Go Yun-ju

Bae Doona as Park Hyeon-nam

Kim Ho-jung as Bae Eun-sil

Byun Hee-bong as Janitor

Koh Soo-hee as Yoon Jang-mi

Kim Roi-ha as Shadow Man

Kim Jin-goo as Granny

Im Sang-soo as Joon-pyo

Seong Jeong-seon as Aengbali

Jae-ha Jo as Aengbali's Baby

Chae-rin Hwang as Seul-gi

Sookyung Lee as Seul-gi's Mother

Kwon Hyeok-pung as Management Office Chief

Yeongi Lee as Management Office Old-timer

Yong-ok Kim as Management Office Director

Se-Geum Oh as Granny's Relative

Seong-hae Kang as Nam Goong-myeon

Jin-won Lee as College Dean