Kim Woo-bin Guard / Thunder
Kim Hae-sook Old Lady
So Ji-sub Moon Do-seok
Yoon Kyung-ho Sam-sik
Jeon Yeo-been Hong Eon-nyeon
Ryu Jun-yeol Muruk
Yoo Jae-myung Master Hyun
Yoon Byung-hee Shaman Dosa / Alien Robot (voice)
Kim Tae-ri Ean
Kim Eui-sung Jajang / Doctor
Yum Jung-ah Madam Black
Lee Hanee Min Gaelin
Ok Ja-yeon Fellow Doctor
Shin Jung-keun Right Paw
Jo Woo-jin Mr. Blue
Shim Dal-gi Bride
Choi Dong-hoon Director, Writer, Producer
Kim Ki-cheon Gae-ttong
Kim Dae-myung Thunder (voice)
Lee Si-hoon Left Paw
Lee Dong-yong Ge-gan
Lee Sun-hee Inn Owner
Jang Jun-whee Hyeong-bang
Park Jin-young Digital Intermediate
Kwak Tae-yong Special Effects Makeup Artist
Jang Young-gyu Original Music Composer
Cho Sang-kyung Costume Design
Baek Hyun-joo Principal
Lee Dong-hee Steward
Jung Do-ahn Special Effects Supervisor
Kim Min-seo Min-sun
Kwon Ji-hoon Stunts
Ryu Seong-hie Production Design
Yoo Sang-seob Martial Arts Choreographer
You Cheong Props
Choi Tae-young Sound Supervisor
Choi Yu-ri Young Ean
Lee Ki-cheol Writer
Kim Chan-hyung Thief
Shin Min-kyung Editor
Choi Kwang-je Choi
Eun Hee-soo Production Sound Mixer
Hwang Hyo-kyun Special Effects Makeup Artist
Lee Hyun-gul Shaman Dosa 2
Hong Jeong-ho VFX Supervisor
Kim Hyun-jung Makeup & Hair
Lee Jae-hyeok Still Photographer
Jung Jae-wook Visual Effects
Lee Ha-jun Production Design
Ahn Soo-hyun Producer
Lee Gi-seok Set Decoration
Hong Seung-chul Gaffer
Ryu Seong-cheol Martial Arts Choreographer
Kim Tae-kyeong Director of Photography
Lee Seung-je VFX Supervisor
Mo So-ra Art Direction
Song Yong-gu VFX Supervisor
Park Jun-yong Props
Ji Gun-woo Murderer
Jang Hee-chul Conceptual Design
Jay Seung Jaegal VFX Supervisor, Visual Effects Art Director
Im Se-jin Art Designer
Yoon Hyung-tae Special Effects Supervisor
Jang Hee-sun Art Designer
Kwon Soo-yeon Art Direction
Kang Ho-sung Executive Producer
Ji Sung-yong Key Grip
Yang Hye-jin Sound Editor
Park Ye-seul VFX Supervisor
Lee Eun-mi Compositing Artist
Choi Ji-hye Art Direction
Song Ji-hyuk Haava