Kim Go-eun as Mi-su

Jung Hae-in as Hyun-woo

Park Hae-joon as Jong-woo

Kim Guk-hee as Eun-ja

Jung Yoo-jin as Hyun-ju

Choi Jun-young as Tae-sung

Nam Moon-chul as Woo-sik

Shim Dal-gi as Geum-i

Yoo Yeol as Yoo Yeol

Kim Hyun as Kim Hyun-sook

Heo Ji-na as Editor-in-chief

Jang Se-won as Assistant

Na Chul as Engineer

Park Se-hyun as Se-mi

Ahn Hyun-bin as Detective

Song Duk-ho as Neighbor

Hong Xa-bin as Jeong-hyub

Choi Jun-gyu as Straw

Yoon Jae-guk as Taekwondo Master

Park Chan-guk as Laundry

Oh Chae-eun as Gym Woman

Yeon Je-wook as Gi-seok

Yu Hyun-zun as PT leader