Zowan (voice) (18 episodes)
Seft (voice)
Emperor (voice) (24 episodes)
Robby's Wife (voice) (1 episode)
Sota Hori (voice) (5 episodes)
Mitsume (voice) (1 episode)
Roy (voice) (125 episodes)
Songs (45 episodes)
Mika Egashira (voice) (12 episodes)
Vueko (voice) (1 episode)
Young Zen (voice) (1 episode)
Mother (voice) (1 episode)
Tomomi Takei (voice) (13 episodes)
Hanabi Ōmagari (voice) (41 episodes)
Sota Hori (voice) (13 episodes)
Police robot (voice) (1 episode)
Kaoru Niijima (voice) (12 episodes)
Gimo (voice) (2 episodes)
Sayuri Chiba (voice) (4 episodes)
Katsuma (voice)
Izumi Kanae (voice) (12 episodes)
Akari Hyuuga (voice) (13 episodes)
Heinz Nerich Windermere / Heinz II (voice)
Misaki Kuramoto (voice)
Sarina (voice) (1 episode)
(voice)
Magearna (voice)
Charo (voice) (89 episodes)
Chidori Takashiro (voice) (12 episodes)
Azuma Kazuki (child, voice) (1 episode)
Kudelia Aina Bernstein (voice) (50 episodes)
Makoto Yotsuba (voice) (139 episodes)
Hinoyakoma / Onbat (voice)
Hephaestus (voice) (12 episodes)
Young Makoto Sunakawa (voice) (8 episodes)
Io-kun / Peck (voice) (60 episodes)
Toshiya Miike (voice) (4 episodes)
Aludra (voice) (8 episodes)
Marina (voice) (8 episodes)
Onbat (voice)
Ariake Renka (voice) (26 episodes)
Paul (voice) (8 episodes)
Zushi (voice)
Takao's Brother's Girlfriend (voice)
Bevel (voice) (13 episodes)
Raquel (voice) (49 episodes)
Februar Zwei (voice) (26 episodes)
Tenma Matsukaze (voice)
Zushi (voice) (8 episodes)
Receptionist (voice) (1 episode)
Keita Midorikawa (48 episodes)
Arata Wataya as an Elementary School Boy (voice) (18 episodes)
Miki (voice)
Tenma Matsukaze (47 episodes)
Kaori Sagawa (voice)
Luca (voice)
Sasha Kreutzev (voice) (4 episodes)
Kirinoha (voice) (13 episodes)
Basil (voice) (203 episodes)
Taka-chan (voice) (21 episodes)