Liver or Die

Kan Bo-koo (70 years old)

Noh Yang-shim (65 years old)

Lee Jin-sang (42 years old) Choi Seung-hoon as young Jin-sang

Yoo Heung-man, Lee Hwa-sang's ex-husband.

Mi-ryeon's production company actress.

Lee Hwa-sang (35 years old)

Lee Poong-sang (47 years old)

Kan Boon-shil (47 years old)

Lee Wi-sang (29 years old)

Jun Chil-bok (42 years old), Super Son and Jin-sang's friend.

Lee Jeong-sang (35 years old)

Lee Joong-yi (15 years old)

Kang Yeol-han (35 years old), Jeong-sang's colleague and past lover.

Jin Ji-ham (41 years old), Jeong-sang's senior at the hospital, he's a surgeon.