Padam, Padam... The Sound of His and Her Heartbeats

Jung Woo-sung

Yang Kang-chil

Kim Bum

Lee Gook-soo

Han Ji-min

Jung Ji-na

Kim Sung-ryung

Ji-na's mother

Yun Ju-sang

Prison warden Kim

Kim So-hyun

Ji-na (young)

Na Moon-hee

Kim Mi-ja

Choi Tae-joon

Im Jung

Lee Jae-woo

Kim Young-cheol