Ataru Moroboshi (voice)

Hiroshi Kamiya

Ramu

Sumire Uesaka

Shinobu

Maaya Uchida

Shutaro Mendo (voice)

Mamoru Miyano

Sakuranbo

Wataru Takagi

Sakura (voice)

Miyuki Sawashiro

Kosuke Shirai (voice) / Rabbit (voice) / Nakano (voice)

Shinya Takahashi

Boy (voice) / Kuroko [man in black] (voice) / Rabbit (voice)

Masaya Fukunishi

Onsen Mark (voice)

Kenta Miyake

Hokuto (voice)

Jun Inoue

Kakugari (voice) / Man (voice) / Kuroko [man in black] (voice)

Shou Okumura

Ataru's Mom (voice)

Keiko Toda

Ten (voice)

Aoi Yuuki

Boy (voice) / Man (voice) / Oni soldier (voice)

Hiroya Egashira

Ran (voice)

Kana Hanazawa

Ryunosuke Fujinami (voice)

Ayahi Takagaki

Boy (voice) / Rabbit (voice) / Man (voice)

Kosuke Echigoya

Boy (voice) / Sunglasses (voice) / Oni soldier (voice)

Takuya Nakashima

Hitomi (voice) / Girl (voice) / Servant (voice)

Natsumi Kawaida

Girl (voice) / Schoolgirl (voice) / Woman (voice)

Yuumi Hirota

Sunglasses (voice) / Voice-over on the radio (voice)

Tsuyoshi Koyama

Satoshi (voice)

Setsuji Sato

Girl (voice) / Woman (voice) / Bunny girl (voice)

Natsu Yorita

Ataru's Dad (voice)

Toshio Furukawa

Girl (voice) / Schoolgirl (voice) / Woman (voice)

Rika Kinugawa

Boy (voice) / Rabbit (voice) / Sunglasses (voice)

Tomohiro Ono

Benten (voice) / Rupa (young) (voice)

Shizuka Ishigami

Akira (voice)

Daisuke Sakaguchi

Girl (voice) / Schoolgirl (voice) / Yuki-onna (voice)

Eri Yukimura

Girl (voice) / Servant (voice) / Schoolgirl (voice)

Ahiru Ohira

Rei (voice)

Katsuyuki Konishi

Oyuki (voice)

Saori Hayami

Ryoko Mendo (voice)

Marina Inoue

Lum's Dad (voice)

Rikiya Koyama

Girl (voice) / Servant (voice) / Young woman (voice)

Hitomi Sasaki

Aya (voice) / Bunny girl (voice) / Folk tale fox (voice)

Sara Matsumoto

Girl (voice) / Schoolgirl (voice) / Alien Attendant (voice)

Misa Ishii

Ryunosuke's Dad (voice)

Shigeru Chiba

Girl (voice) / Tobimaro Mizunokoji (young) (voice) / Schoolgirl (voice)

Momoko Taneichi

Girl (voice) / Spaceship (voice) / Nozomi's Mom (voice)

Mika Kanda

Lum's Mom (voice)

Fumi Hirano

Principal (voice)

Hochu Otsuka

Tobimaro Mizunokoji (voice)

Yuki Kaji

Inaba (voice)

Miyu Irino

Mendo's Dad (voice)

Kazuhiko Inoue

Tsuyuo (voice) / B-Bo (voice) / Saizo (voice)

Kappei Yamaguchi

Middle-aged woman (voice) / Housewife (voice)

Sakiko Uran

Kurama (voice)

Nana Mizuki

Rupa (voice)

Yuichi Nakamura

Upa (voice)

Cho