닥터 K

Cha İn-pyo

Kang Ji-min

Kim Ha-neul

Oh Sae-yun

Kim Hye-soo

Pyo Ji-soo

유인촌

Lee Seok-myeong

박상면

Park Ho-dong

Seo Tae-hwa

3rd Year

Ahn Suk-hwan

Wi Pyeon-ho

서희승

Doctor

안재모

Intern

박남희

Ji-min's mother

신이

Sae-yun's friend

Lee Choon-yun

Professor