Dong-wook Kim

Hwang Kyung-min, Nam Gi-cheol

Kim Sungkyu

Jung Jong Suk

Jeong-an Chae

Kang Jin-ah

Candice van Litsenborgh

Kang Jin Ah

Lee Chan-Yoo

Hwang Kyung-Min (teen)

Ji Chan

Jo Pil-Do

Shim Hyun-Seo

Jung Jong-Suk (teen)

Choi Hyun-jin

Kim Cheol

Eui-Jae Jung

Jin Hae-soo

Min-Seok Oh

Kang Min

Soo-Yeon Han

Park Min-Joo

Choi Kwang-Je

Ahn Jung-Hee

Woo Mi-Hwa

Kim Chul's mother

Ji-man Eom

Detective

Jang Dae-Woong

Choi Seong-gyoo (young)

Jung Wook-jin

Go Han-jin

Kim Pu-reum

Lee Ji-yeon

Hyun-Bin Kim

Kim Jong-bin (young)