Kim Kang-min (actor)

Ji Gook-hyeon

Kwon Ji-hoon (28 yo): Do-hoon's younger brother.

Park Jang-goon

Ji Ho-sung

Kang Joon-young, a high school student.

Im Chang-min, intern.

Pyo Jae-hwan

Bae Jin-woo (man, 25 years old) The Apartment's delivery driver. He has been taking care by Miss Ri since she lived in a nearby apartment building. Since young, Bae Jin-woo was good at stealing cups and Miss Ri used her hand to stop him from going to prison several times.

Lee Chang-kwon, Vikings player.