Riven

Yoona

as Seon-ji

Ahn Bo-hyun

as Gil-gu

Sung Dong-il

as Jang-su

Joo Hyun-young

as Ah-ra

Shin Hyun-soo

as Yeong-sik

Ko Gun-han

as Hee-bum

Han Jae-ah

as Main body of Moon-yang

Song Duk-ho

as Young Jang-su

Park Eun-jin

as Seon-ji's mother

Jung Ji-woo

as Seon-ji's maternal great-grandmother

Lee Si-rae

as Seon-ji's maternal great-grandfather

Na Gyeong-sook

as Seon-ji's maternal great-grandmother's mother-in-law

Lee Hyo-bi

as 8-year-old Seon-ji

Kim Ye-na

as 15-year-old Seon-ji

Kim Eun-soo

as Convenience Store Part-timer

Baek Seung-chul

as Middle-aged male patient

Lee Sang-geun

Director

Lee Sang-geun

Screenplay

Kim Min-jae

Lighting Director

Baek Hyun-ik

Producer

Kim Il-yeon

Director of Photography

Lee Kang-hee

Editor

Lee Ji-soo

Original Music Composer

Chae Kyoung-sun

Production Design

Kim Da-jung

Costume Design

Moon Sun-young

Makeup & Hair

Hwang Hyo-kyun

Special Effects Makeup Artist

Choi Min-ho

Production Sound Mixer

Jung Do-ahn

Special Effects Supervisor

Choi Jeong-uk

Special Effects Supervisor

Kim Han-joon

Visual Effects

Jeon So-mi

Visual Effects

Kim Hyung-shek

Colorist

Kwon Ji-hoon

Martial Arts Choreographer

Cheon Jun-ho

Martial Arts Choreographer

Kang Hye-jung

Producer

Ryoo Seung-wan

Producer

Cho Sung-min

Producer

Kim Jeong-hoon

Set Decoration

Park Sung-yoon

Props

Kwak Tae-yong

Special Effects Makeup Artist

Kim Chang-sub

Sound Supervisor

Jeon Young-wook

Still Photographer

Choi Eun-ae

Assistant Director

Yoo Guk-young

Line Producer