Yuu Ominae
Main
Voz: Chiaki Kobayashi
Iwao Akatsuki
Supporting
Voz: Yoshimasa Hosoya
Meisel Hakase
Supporting
Voz: Tomohisa Asou
Yamamoto
Supporting
Voz: Kenji Hamada
Larry Markson
Supporting
Voz: Ryouta Takeuchi
Little Boy
Supporting
Voz: Mitsuo Iwata
Jean Jacquemonde
Supporting
Voz: Youhei Azakami
Steve Foster
Supporting
Voz: Akio Ootsuka
Yoshino Somei
Supporting
Voz: Mariya Ise
Maria Clemente
Supporting
Voz: Saori Hayami
McDougal
Supporting
Voz: Ayumu Murase
Bowman
Supporting
Voz: Takayuki Sugou
Kouichi Moroha
Supporting
Voz: Ken Narita
Rie Yamabishi
Supporting
Voz: Mitsuho Kambe
Bo Brantz
Supporting
Voz: Tetsu Inada
Margaret
Supporting
Voz: Sanae Kobayashi
Mirage
Supporting
Voz: Takehito Koyasu
Fat Man
Supporting
Voz: Yasuhiro Mamiya
Narrator
Background
Voz: Yasunori Masutani
