The Beast

Lee Sung-min

Jung Han-su

You Chea-myung

Han Min-tae

Jeon Hye-jin

Jun-bae

Choi Daniel

Jong-chan

Kim Ho-jung

Madam Oh

Kim Hong-pa

Mr. Jang

Ahn Seong-bong

Backup Detective

Park Hye-sook

Nun

Kim Kyung-duk

Choi Chul-gi

Kim Young-sung

Detective

An Si-ha

Jeong-yeon

Kim Eun-hye

Witness

Park Ji-soo

Thai Gang

Jeon Gwon-ha

—

Han Kyu-won

Detective 2

Moon Soon-ju

Detective

Lee Song-hee

Wan-sik