친구누나

Park Cho-hyeon

as Jo Hui-jin

Min Joon

as Oh Jun-soo

So Yoon

as Choi Mi-na

Joo In-cheol

as Han Jae-suk

Seo Joon-yeol

as Jo Hui-kyu

Lee Kyeong-joon

as Head of department (부장)

Hong Doo-ri

as Stockings girl (스타킹 녀)

Ah Ri

as Jun-soo's Mother (Cameo)