Kim Sung-kyun

as Adidas Man

Jang Young-nam

as Ko Soo-min

Kang Ha-neul

as Lee Kwi-dong

Kim Hak-seon

as Jeon Eui-moo

Lee Zoo-young

as Park Mi-syun

Lee Sul

as Female College Student

Kim So-hee

as Lee Han-na

Han Jae-yeong

as Soo-min's Husband

Lee Hye-young

as Yogurt Delivery Mom

Cha Soon-bae

as Han-na's Homeroom Teacher

Bae Young-ran

as Female College Student

Jeong Bo-ram

as Student

Song Ye-eun

as Student