The Mimic

Yum Jung-ah

Hee-yeon

Park Hyuk-kwon

Min-ho

Heo Jin

Soon-ja

Shin Rin-a

Girl

Lee Jun-hyeok

Middle-aged Man

Lee Ju-won

Jung-soo

Kil Hae-yeon

Female Shaman

Noh Susanna

Police Officer

Jung Ji-hoon

Jun-seo

Lee Yool

Detective Kim

Lee Chae-eun

Hyo-jung

Hwang Jae-won

Hyo-min

Jang Liu

Ji-hye

Lim Jong-yun

Detective Park

Kim Su-an

Soon-ja's sister (voice)

Jeong Joon-won

Soon-ja's brother (voice)

Lee Jang-won

Mimic (voice)