Alienoid

For Ages, Aliens have locked up their prisoners in humans bodies.

Gurus in the late Goryeo dynasty try to obtain a fabled, holy sword, and humans in 2022 hunt down an alien prisoner that is locked in a human's body. The two parties cross paths when a time-traveling portal opens up.

Ryu Jun-yeol

Mureuk

Kim Woo-bin

Guard

Kim Tae-ri

Lee An

Choi Yu-ri

Young Lee An

So Ji-sub

Moon Do-seok

Yum Jung-ah

Heuk-seol

Jo Woo-jin

Cheong-woon

Kim Eui-sung

Ja-jang

Lee Ha-nee

Min Gae-in

Shin Jung-geun

Woo Wang

Lee Si-hoon

Jwa Wang

Kim Dae-myung

Thunder (voice)

Kim Ki-chun

Gae-ttong

Yoon Byung-hee

Shaman

Yoon Kyung-ho

Sam-sik

Ok Ja-yeon

Fellow Doctor

Lee Hyun-geol

Shaman 2

Kim Hae-sook

Old Lady