Full cast of The Guest

Kim Dong-wook

Yoon Hwa-pyung

16 episodes

Kim Jae-uck

Choi Yoon / Matthew

16 episodes

Jung Eun-chae

Kang Kil-young

16 episodes

Lee Won-jong

Yook Gwang

16 episodes

Park Ho-san

Detective Ko

16 episodes

Ahn Nae-sang

Priest Yang

16 episodes

Kim Hye-eun

Park Hong-joo

16 episodes

Lee Hae-yeong

Kil-young's Senior Detective

16 episodes

Nam Moon-chul

Yoon's Instructor Priest

16 episodes

Park Hyo-ju

Kil-young's Mother

16 episodes

Yoo Seung-mok

Hwa-pyung's Father

16 episodes

Jeon Moo-song

Hwa-pyung's Grandfather

16 episodes

Lee Yong-nyeo

Psychic Medium

16 episodes

Jeon Bae-soo

Kim Young-soo

16 episodes

Kim See-eun

Kim Ryoon-hee

16 episodes

Heo Yool

Jung Seo-yoon

16 episodes

Lee Joo-sil

Seo-yoon's Grandmother

16 episodes

Yun Jong-seok

Priest Choi

16 episodes