"Simon and Kamina live in an underground city monitored by the village chief. When Simon stumbles upon an artifact and beastmen invade from the surface, Simon and Kamina rebel against them."
Tetsuya Kakihara
as Simon (voice)
Katsuyuki Konishi
as Kamina (voice)
Marina Inoue
as Yoko Littner (voice)
Yukari Fukui
as Nia Teppelin (voice)
Nobuyuki Hiyama
as Viral (voice)
Mitsuki Saiga
as Rossiu Adai (voice)
Masaya Onosaka
as Leeron Littner (voice)
Michiko Neya
as Adiane (voice)
Kiyoshi Kawakubo
as Guame (voice)
Akio Suyama
as Cytomander (voice)
Shizuka Itoh
as Boota (voice) / Darry Adai (voice)
Takako Honda
as Gimmy Adai (voice) / Leite Jokin (voice)
Kisho Taniyama
as Kittan Bachika (voice)
Rina Sato
as Kiyoh Bachika (voice)
Kana Ueda
as Kinon Bachika (voice)
Kana Asumi
as Kiyal Bachika (voice)
Daiki Nakamura
as Dayakka Littner (voice)
Narushi Ikeda
as Lordgenome (voice)
as Old Coco (voice)
Daisuke Kirii
as Attenborough Cortich (voice) / Iraak Coega (voice)
Kiyoyuki Yanada
as Thymilph (voice)
Takafumi Kawakami
as Zoushi Kanai (voice)
Go Shinomiya
as Gabal Docker (voice) / Jorgun Bakusa (voice)
Takashi Kondo
as Kid Coega (voice)
Kouzou Douzaka
as Balinbow Bakusa (voice)
as Makken Jokin (voice)
Yuka Hirama
Art Direction
Hiroyuki Imaishi
Director
Toyonori Yamada
Director of Photography
Yoh Yoshinari
Mechanical & Creature Designer
Toru Nakano
Sound Director
Atsushi Nishigori
Character Designer
Kazuki Nakashima
Creator
Masahiko Otsuka
Assistant Director
Yasuhiro Takeda
Executive Producer
Hiromi Wakabayashi
Co-Producer
Writer
Taku Iwasaki
Original Music Composer
Hiroshi Yamaguchi
Screenplay
Original Film Writer
Hiroshi Kurimoto
Kurasumi Sunayama
Hiroaki Tomita
Shouji Saeki
Osamu Kobayashi
Tarou Iwasaki
Katsuichi Nakayama
Takayoshi Morimiya
Akitoshi Yokoyama
Shin Itagaki
Keisuke Watabe
Key Animation
Sushio
Tadashi Hiramatsu
Akemi Hayashi
Storyboard Artist
Ryouta Hayatsu
Animation Director
Akira Amemiya
Ryoji Masuyama
Ken Ootsuka
Yusuke Tanaka
Ikuo Kuwana
Hiroki Mutaguchi
Shoko Nakamura
Takashi Mukouda