Tarusuke Shingaki
S566 (voice) (8 eps)
Yuuki Kuwahara
Zurich (voice) (8 eps)
Kentaro Ito
Additional Human Voices (voice) (8 eps)
Kyoko Hikami
A37 (voice) (8 eps)
Marika Kouno
Sara Grace (voice) (4 eps)
Koichi Yamadera
Zero (voice) (4 eps)
Yuhko Kaida
Geneve (voice) (4 eps)
Hidenori Takahashi
Additional Robot Voices (voice) (4 eps)
Tasuku Kida
Additional Robot Voices (voice) (4 eps)
Daisuke Nakamura
Additional Robot Voices (voice) (4 eps)
Kei Kinoshita
Additional Robot Voices (voice) (4 eps)
Hayato Kakizaki
Additional Robot Voices (voice) (4 eps)
Erina Sato
Additional Robot Voices (voice) (4 eps)
Aimi Fuyumuro
Additional Robot Voices (voice) (4 eps)