Keys to the Heart

Lee Byung-hun

as

Kim Jo-ha

Youn Yuh-jung

as

In-sook

Park Jeong-min

as

Jin-tae

Han Ji-min

as

Ga-yool

Kim Sung-ryung

as

Ms. Hong

Choi Ri

as

Soo-jung

Bek Hyun-jin

as

Dong-soo

Hwang Seok-jeo...

as

Chief Kang

Park Ji-yeon

as

Yougn In-sook

Moon Sook

as

Bok-ja

Oh Hye-won

as

Bok-ja's Guard

Lee Joo-young

as

Eun-ha

Ahn Seong-bong

as

Sky Lounge Man...

Park Ji-hoon

as

Tae-gu

Park Sang-hoon

as

Young Jo-ha

Yoon Yeong-gyun

as

Policeman

Son Woo-hyuk

as

Eun-ha's Boyfr...

Yang Jun-seok

as

Big High Schoo...

Kim Sang-wook

Jung Yun-ha

as

Bok-ja's Guard

Jo Kwan-woo

as

Moon Sung-gi