Lee Jong-suk
Kang Cheol

Han Hyo-joo
Oh Yeon-joo

Jung Yoo-jin
Yoon So-hee

Lee Tae-hwan
Seo Do-yoon

Lee Si-eon
Park Soo-bong

Park Won-sang
Han Cheol-ho

Kim Eui-sung
Oh Sung-moo

Kang Ki-young
Kang Seok-beom

Heo Jeong-do
Park Min-soo

Cha Kwang-soo
Son Hyun-suk

Nam Kee-ae
Kil Soo-sun

Ryu Hye-rin
Sun-mi

Park Choong-seon
Kang Chul's Father

Kim Na-woon
Kang Chul's Mother

Lee Se-rang
Kil Soo-young

Seo Shin-ae
Kang Chul's Younger Sister

Park Min-ha
Young Oh Yeon-joo

Yang Hye-ji
Yun-hee

Jung Ji-so
Teenage Oh Yeon-joo

Ri Min
Team Leader Park

Jin Hyun-kwang
Policeman