Ha Ji-won as Lee Ji-soo

Kim Myung-min as Baek Jong-woo

Nam Neung-mi as Joo Ok-yeon

Im Ha-ryong as Park Geun-suk

Shin Shin-ae as Jin Hee-mo

Lim Jong-yun as Bae Seok-joong

Lim Hyung-jun as Bae Seok-won

Lim Sung-Min as Choon-ja

Son Ga-in as Seo Jin-hee

Jang Won-young as Mr. Choi

Kim Yeo-jin as Professor Son Young-chan

Kim Kwang-kyu as Kook Dong-sik

Jung Eui-chul as Yoo Seung-wook

Son Young-soon as Jong-woo's Mother

Yoo Seung-mok as Kim Eun-ho

Kim Young-pil as Wook-joong

Kim Young-hoon as Kwan-young

Choi Yo-han as Jae-ho

Jeon Su-ji as Kim Jong-do's Wife

Yoo Ji-yeon as Head Nurse

Park Hyun-young as Elder Sohn's Daughter

Kang Shin-il as Lee Hak-cheon

Sul Kyung-gu as Kim Jong-do

Song Young-chang as Therapist

Seo Hyo-rim as Reporter