Cast
Im Chae-Heon
Jjang-dol (voice)
Yoo Dong-kyun
Dr. Ko (voice) / Junsu Han (voice)
Kim Seung-tae
Ta-jo (voice) / Chief Secretary (voice)
Kim Sara
Hong Jin-yi (voice)
Kim Young-jin-III
Heejang Jeon (voice) / General (voice)
Jeon Sook-kyung
Han Sook-hee (voice) / Jang Young-min (voice)
Crew
Art
Jo Yeon-joo
Background Designer
Jo Jung-deok
Storyboard Artist
Go Won-sang
Background Designer
Lee Dae-hee
Conceptual Design
Lee Hyun-joong
Conceptual Design
Jo Yeon-joo
Prop Designer
Song Je-ho
Title Designer
Kim Haru
Prop Designer
Kang Gil-ho
Storyboard Artist
Kim Haru
Background Designer
Kang Gil-ho
Title Designer
Kim Dae-won
Storyboard Artist
Park Jae-cheol
Background Designer
Lee Dae-hee
Storyboard Artist
Lee Dae-hee
Background Designer
Choi Han-i
Storyboard Artist
Directing
Lee Dae-hee
Director
Production
Hau Jeong
Production Manager
Sound
Lee Ju-mi
Sound Effects Editor
Ryu Hee-cheon
Musician
Ryu Hee-cheon
Music Sound Design and Processing
Ryu Hee-cheon
Sound Designer
Ryu Hee-cheon
Original Music Composer
Lee Yo-seop
Music
Lee Yo-seop
Original Music Composer
Park Dong-ju
Sound Mixer
Ryu Hee-cheon
Music
Lee Yo-seop
Musician
Choi Hyung-min
Sound Designer
Visual Effects
Kim Seok-dong
Visual Effects
Sing Yu-cheol
3D Modeller
Lee Dae-hee
Character Designer
Kim Seok-dong
3D Modeller
Kyung-goo Kim
Animation
Jeong Deok-young
Compositing Artist
Baek Hye-jin
3D Modeller
Gong Jin-yeo
Visual Effects
Jo Jung-deok
Mechanical Designer
Go Won-sang
Mechanical Designer
Go Min-seon
3D Modeller
Lee Dae-hee
Mechanical Designer
Baek Hye-jin
Simulation & Effects Artist
Go Min-seong
Visual Effects
Writing
Lee Dae-hee
Writer