Yeo Jin-goo as Yong

Cho Yi-hyun as Mu-nee

Kim Hye-yoon as Han-sol

Na In-woo as Young-ji

Bae In-hyuk as Eun-seong

Roh Jae-won as Geun-tae

Nam Min-woo as Nam-hae

Lim Yu-bin as Seon-joo

You Chea-myung as Supervisor

Park Ha-seon as Professor of Sociology

Shin Joo-hyup as Man-soo

Yeo Joo-ha as Yoo-jin

Song Woo-rim as Student