The Guest

Kim Dong-wook

Yoon Hwa-Pyung

Kim Jae-wook

Choi Yoon / Matthew

Jung Eun-chae

Kang Kil-Young

Lee Won-jong

Yook Gwang

Park Ho-san

Detective Ko

Ahn Nae-sang

Priest Yang

Kim Hye-eun

Park Hong-Joo

Lee Hae-yeong

Kil-Young's senior detective

Nam Moon-chul

Yoon's Instructor Priest

Park Hyo-ju

Kil-Young's mother

Yoo Seung-mok

Hwa-Pyung's father

Jeon Moo-song

Hwa-Pyung's grandfather

Lee Yong-nyeo

psychic medium

Jeon Bae-soo

Kim Young-Soo

Kim See-eun

Kim Ryoon-Hee

Heo Yool

Jung Seo-Yoon

Lee Joo-sil

Seo-Yoon's grandmother

Yun Jong-seok

Priest Choi