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)
백인권
— Visiting professor 2 (방문교사2)
Park Jeong-hwan
— Seong-joon 1 (성준1)
Oh Jeong-jin
— Seong-joon 2 (성준2)
Yoo Ri
— Seong-joon's wife (성준부인)
Jung Myung-seo
— Yoon-hee's lover (윤희애인)
Im Myeong-se
— Na-eun's son (나은아들)
Kim Sang-hyeon
— Ski resort man (스키장 남)
Lee Si-an
— Na-eun 나은