장근석

Sa Do-Chan / Baek Joon-Soo

한예리

Oh Ha-Ra

정웅인

Geum Tae-Woong

조희봉

Director Bong

신도현

So Eun-Ji

An Seung-Hwan

Jeon In-Tae

이정길

Choi Jung-Pil

김서라

Ha-Ra's mother

차엽

Investigator Go

최재원

Jung Do-Young

Song Won-seok

Manager Kim

박원상

Yang Ji-Soong

Lee Sae-bom

Kang Mi-ran

이주연

Oh So-ra

손병호

Sa Ma Chun

Nam Tae-jin

Director

Baek Kyung-chan

Martial Arts Choreographer