Lee Jong-suk ( 이종석 )

Kang Cheol

Han Hyo-joo ( 한효주 )

Oh Yeon-joo

Jung Yoo-jin ( 정유진 )

Yoon So-hee

Lee Tae-hwan ( 이태환 )

Seo Do-yoon

Lee Si-eon ( 이시언 )

Park Soo-bong

Park Won-sang ( 박원상 )

Han Cheol-ho

Kim Eui-sung ( 김의성 )

Oh Sung-moo

Kang Ki-young ( 강기영 )

Kang Seok-beom

Heo Jeong-do ( 허정도 )

Park Min-soo

Cha Kwang-soo ( 차광수 )

Son Hyun-suk

Nam Kee-ae ( 남기애 )

Kil Soo-sun

Ryu Hye-rin ( 류혜린 )

Sun-mi

Park Choong-seon ( 박충선 )

Kang Chul's Father

Kim Na-woon ( 김나운 )

Kang Chul's Mother

Lee Se-rang ( Lee Se-rang )

Kil Soo-young

Seo Shin-ae ( 서신애 )

Kang Chul's Younger Sister

Park Min-ha ( Park Min-ha )

Young Oh Yeon-joo

Yang Hye-ji ( 양혜지 )

Yun-hee

Jung Ji-so ( 정지소 )

Teenage Oh Yeon-joo

Ri Min ( Ri Min )

Team Leader Park

Jin Hyun-kwang ( Jin Hyun-kwang )

Policeman

Yang Seung-geol ( Yang Seung-geol )