- Kenjiro Abekawa
- Security Guard A
- Quinn Angell
- (voice)
- Felecia Angelle
- Sonia Summers
- Bryn Apprill
- Emma Eisberg
- Naoki Bando
- Collins
- Dawn M. Bennett
- Frida
- Anthony Bowling
- Charlie
- Charles C. Campbell
- Boss
- Dani Chambers
- Bela
- Paul Cline
- (voice)
- Aaron Dismuke
- Belo
- Jason Douglas
- Joel Woods
- Greg Dulcie
- Collins
- Marisa Duran
- Amelia / Female Monster (voice)
- Jim Foronda
- (voice)
- Stephen Fu
- (voice)
- Cris George
- Narrator
- Matt Holmes
- (voice)
- Ray Hurd
- Doug
- Mao Ichimichi
- Bela
- Jeremy Inman
- Lou
- Mariya Ise
- Frieda
- Shizuka Itou
- Greta Reed
- Kiyoshi Kobayashi
- Narration
- Katsuyuki Konishi
- Bem
- Gabe Kunda
- Bem
- Taiten Kusunoki
- 18th Section Chief
- Ryan Colt Levy
- Burgess Olsen
- Jason Liebrecht
- Manstall
- Alex Mai
- (voice)
- Elizabeth Maxwell
- Greta Reed
- Kristen McGuire
- (voice)
- Daman Mills
- Dr. Recycle
- Toshiya Miyata
- Burgess Olsen
- Nana Mizuki
- Emma Eisberg
- Takahiro Mizushima
- Charlie
- Hiroshi Naka
- Boss
- Takurou Nakakuni
- Pete
- Kenji Nomura
- Joel Woods
- Kenshô Ono
- Belo
- Wendy Powell
- Jane
- Alejandro Saab
- Pete
- Noriko Sakura
- Jane
- Hana Satô
- Matthew Eisberg
- Erica Schroeder
- Dana Olsen
- Michael Schwalbe
- Lorenzo Doraco
- Akira Sekine
- Amelia Eisberg
- Laura Megan Stahl
- Matthew Eisberg
- Michael Stimac
- (voice)
- Jun'ichi Suwabe
- Dr. Recycle
- Marc Swint
- Muscleman
- Wataru Takagi
- Lorenzo Nepomuceno Draco
- Kôji Takeda
- Doug
- Masashi Tamaki
- Rick
- Nazeeh Tarsha
- (voice)
- Kevin Thelwell
- (voice)
- Austin Tindle
- (voice)
- Maaya Uchida
- Sonia Summers
- David Wald
- Chief / Rick (voice)
- Helena Walstrom
- (voice)
- Kôichi Yamadera
- Manstoll
- Mayumi Yamaguchi
- Dana Olsen
- Takayuki Yoshi
- Security Guard B
