안녕, 형아

박지빈

Jang Hani

배종옥

Mum

박원상

Dad

최우혁

Wook

Чон Хэ Джин

Hani's teacher

오지혜

Wook's mother

Чхве Джин-хо

Doctor Na Young-soo

Со Бом Сик

Tarzan

Seo Dae-han

Jang Han-byul

Yang Hyeon-woo

Ji Joo-chul

이준희

Hani's Friend 2