Full Cast — Gyeongseong Creature (2023–2024)

Park Seo-jun

Jang Tae-sang / Jang Ho-jae

Han So-hee

Yoon Chae-ok

Kim Hae-sook

Nawol-daek

Choi Young-jun

Kato

Claudia Kim

Maeda

Cho Han-chul

Yoon Joong-won

Park Ji-hwan

Goo Gap-pyeong

Hyun Bong-sik

Dr. Ichiro

Ok Ja-yeon

Na Young-choon

Wi Ha-jun

Kwon Jun-taek

이찬양

Young Korean Man

Ahn Ji-ho

Park Beom-o

Kim Do-hyun

Ishikawa

Ji Woo

Myeong-ja

Woo Ji-hyun

Sachimoto

Bae Hyeon-seong

Seung-jo

Kang Mal-geum

Choi Sung-sim

Im Cheol-soo

Mr. Oh

Choi Gwang-il

Jun-taek's father

Nam Myung-ryeol

Tailor

Kim Yoon-woo

Choi Young-gwan

Cho Jae-ryong

Soma