Park Cho-rong-I

Ga-yeong (가영)

Jeong Min-joo

Na-eun (나은)

Choi Kyeong-hee-I

Da-in (다인)

Lim Hye-jin

Yoon-hee (윤희)

제동화

Joon-seok (준석)

Han Sang-ho

Ga-yeong's husband (가영남편)

Seong Min

Da-in's husband (다인남편)

Lee Joon-gyoo

Visiting professor 1 (방문교사1)

Baek In‑kwon

Visiting professor 2 (방문교사2)

Park Jeong-hwan

Seong-joon 1 (성준1)