- Hiroshi Kamiya
- Â Ataru Moroboshi 41 episodes, 2022-2024
- Sumire Uesaka
- Â Lum / ... 41 episodes, 2022-2024
- Mamoru Miyano
- Â Shutaro Mendo 36 episodes, 2022-2024
- James Marler
- Â Tobimaro Mizunokoji 36 episodes, 2022-2024
- Maaya Uchida
- Â Shinobu Miyake 35 episodes, 2022-2024
- Shin'ya Takahashi
- Â Kosuke Shirai / ... 33 episodes, 2022-2024
- Masaya Fukunishi
- Â Boy / ... 29 episodes, 2022-2024
- Kenta Miyake
- Â Onsen Mark 28 episodes, 2022-2024
- Wataru Takagi
- Â Cherry / ... 27 episodes, 2022-2024
- Miyuki Sawashiro
- Â Sakura 26 episodes, 2022-2024
- Shô Okumura
- Â Kakugari / ... 25 episodes, 2022-2024
- Keiko Toda
- Â Ataru's Mother 23 episodes, 2022-2024
- Jade Kelly
- Â Lum 23 episodes, 2022-2023
- Jun Inoue
- Â Hokuto 22 episodes, 2022-2024
- Kosuke Echigoya
- Â Boy / ... 21 episodes, 2022-2024
- Daisuke Sakaguchi
- Â Akira 20 episodes, 2022-2024
- Setsuji Sato
- Â Satoshi 20 episodes, 2022-2024
- Natsumi Kawaida
- Â Hitomi / ... 20 episodes, 2022-2024
- Jack Stansbury
- Â Shutaro Mendo 20 episodes, 2022-2023
- Kana Hanazawa
- Â Ran 19 episodes, 2022-2024
- Takuya Nakashima
- Â Boy / ... 19 episodes, 2022-2024
- Aoi Yûki
- Â Ten 19 episodes, 2023-2024
- Hiroya Egashira
- Â Boy / ... 18 episodes, 2022-2024
- Yûmi Hirota
- Â Girl / ... 18 episodes, 2022-2024
- Ayahi Takagaki
- Â Ryunosuke Fujinami 18 episodes, 2023-2024
- Toshio Furukawa
- Â Ataru's Father 17 episodes, 2022-2024
- Tsuyoshi Koyama
- Â Sunglasses / ... 15 episodes, 2022-2024
- Natsu Yorita
- Â Girl / ... 15 episodes, 2022-2024
- Rika Kinugawa
- Â Girl / ... 15 episodes, 2022-2024
- Sara Matsumoto
- Â Aya / ... 15 episodes, 2022-2024
- Shizuka Ishigami
- Â Benten / ... 14 episodes, 2022-2024
- Brianna Roberts
- Â Sakura 14 episodes, 2022-2023
- Katsuyuki Konishi
- Â Rei 13 episodes, 2022-2024
- Tomohiro Ono
- Â Boy / ... 13 episodes, 2022-2024
- Saori Hayami
- Â Oyuki 12 episodes, 2022-2024
- Eri Yukimura
- Â Girl / ... 12 episodes, 2022-2024
- Ahiru Ohira
- Â Girl / ... 12 episodes, 2022-2024
- Rikiya Koyama
- Â Lum's Father 11 episodes, 2022-2024
- Marina Inoue
- Â Ryoko Mendo 10 episodes, 2022-2024
- Hitomi Sasaki
- Â Girl / ... 9 episodes, 2022-2024
- Misa Ishii
- Â Girl / ... 9 episodes, 2022-2024
- Shigeru Chiba
- Â Ryunosuke's Father 8 episodes, 2023-2024
- Fumi Hirano
- Â Lum's Mother 7 episodes, 2022-2024
- Mika Kanda
- Â Girl / ... 7 episodes, 2022-2024
- Momoko Taneichi
- Â Girl / ... 7 episodes, 2022-2024
- Coqui Saporana
- Â Ten 7 episodes, 2023
- Hôchû Ôtsuka
- Â Principal 6 episodes, 2022-2024
- Miyu Irino
- Â Inaba 6 episodes, 2024
- Kappei Yamaguchi
- Â Tsuyuo / ... 5 episodes, 2022-2024
- Nana Mizuki
- Â Princess Kurama / ... 5 episodes, 2022-2024
- Kazuhiko Inoue
- Â Mendo's Father / ... 5 episodes, 2022-2024
- Sakiko Uran
- Â Old Woman / ... 5 episodes, 2022-2024
- Scott D. Forsyth
- Â Additional Voices / ... 5 episodes, 2022
- Yûki Kaji
- Â Tobimaro Mizunokoji 5 episodes, 2023-2024
- Cyrus Rodas
- Â Additional Voices / ... 4 episodes, 2022
- Tomokazu Seki
- Â Bossman 4 episodes, 2023-2024
- Yûichi Nakamura
- Â Rupa 4 episodes, 2024
- Mao Ichimichi
- Â Asuka Mizunokoji 4 episodes, 2024
- Chô
- Â Upa 4 episodes, 2024
- Takahiro Sakurai
- Â Tsubame Ozuno 3 episodes, 2022-2024
- Kikuko Inoue
- Â Shutaro's Mother 3 episodes, 2022-2024
- Issei Futamata
- Â Karasutengu Elder / ... 3 episodes, 2022-2024
- Shinpachi Tsuji
- Â Mendo Family Butler / ... 3 episodes, 2022-2024
- Satsuki Yukino
- Â Menko 3 episodes, 2022-2023
- Hironori Kondo
- Â Oni / ... 3 episodes, 2022-2023
- Hiroshi Iwasaki
- Â Grandfather Mendo 3 episodes, 2022
- Misaki Kuno
- Â Sugar 3 episodes, 2023
- Chitose Morinaga
- Â Ginger 3 episodes, 2023
- Inori Minase
- Â Karula 3 episodes, 2024
- Kotono Mitsuishi
- Â Asuka's Mother 3 episodes, 2024
- Toshiharu Sakurai
- Â Asuka's Father 3 episodes, 2024
- Hiro Shimono
- Â Karasutengu 2 episodes, 2022-2024
- Daisuke Hirakawa
- Â Karasutengu 2 episodes, 2022-2024
- Kazuyuki Okitsu
- Â Karasutengu 2 episodes, 2022-2024
- Tôru Nara
- Â Karasutengu 2 episodes, 2022-2024
- Misato Matsuoka
- Â Girl 2 episodes, 2022-2023
- Rikumi Moriwaki
- Â Boy 2 episodes, 2022-2023
- Kazumasa Fukagawa
- Â Communicator 2 episodes, 2022
- Rie Kugimiya
- Â Kitsune 2 episodes, 2023-2024
- You Taichi
- Â Shutaro Mendo (Young) / ... 2 episodes, 2023-2024
- Rie Takahashi
- Â Pepper 2 episodes, 2023
- Ayumu Murase
- Â Nagisa Shiowatari 2 episodes, 2024
- Banjô Ginga
- Â Lum's Great Grandfather 2 episodes, 2024
- Motoko Kumai
- Â Kokeru Moroboshi 2 episodes, 2024
- Kana Ichinose
- Â Girl 1 episode, 2022
- Akiko Yajima
- Â Boy 1 episode, 2022
- Nobuo Tobita
- Â The First Elder 1 episode, 2022
- Naoki Tatsuta
- Â Elder of the Previous Generation 1 episode, 2022
- Yôji Ueda
- Â Boxing Club Advisor 1 episode, 2022
- Takehiro Hasu
- Â Commentator 1 episode, 2022
- Daisuke Takahashi
- Â Caster 1 episode, 2022
- Kaori Kimura
- Â Yuki-onna 1 episode, 2022
- Mayu Mineda
- Â Announcer 1 episode, 2022
- Roko Takizawa
- Â Shinobu's Mother 1 episode, 2022
- Ikuji Nose
- Â Teacher 1 episode, 2022
- Satoshi Dairaku
- Â Announcer 1 episode, 2022
- Shûhei Nakano
- Â Pool Yokai 1 episode, 2022
- Tomokazu Sugita
- Â Host 1 episode, 2023
- Subaru Kimura
- Â Dog Man 1 episode, 2023
- Yûko Kaida
- Â Wife 1 episode, 2023
- Tesshô Genda
- Â CAO-2 1 episode, 2023
- Hiroki Yasumoto
- Â Narrator 1 episode, 2023
- Ryota Iwasaki
- Â Regent 1 episode, 2023
- Masafumi Kobatake
- Â Teacher 1 episode, 2023
- Tarako
- Â Wishing Star 1 episode, 2023
- Natsune Inui
- Â High School Girl 1 episode, 2023
- Kazue Ikura
- Â Ran's Mother 1 episode, 2023
- Yôhei Tadano
- Â Old Teacher 1 episode, 2023
- Kôichi Sôma
- Â Office Worker 1 episode, 2023
- Masaomi Yamahashi
- Â Waiter 1 episode, 2023
- Ryûichi Kijima
- Â Boyfriend 1 episode, 2023
- Hiroko Kiso
- Â Underwear Store Clerk 1 episode, 2023
- Yuna Taniguchi
- Â High School Girl 1 episode, 2023
- Shino Kakinuma
- Â Aunty from the Cat & Caboodle Diner 1 episode, 2023
- Hiroki Matsukawa
- Â Zipang Shopkeeper 1 episode, 2023
- Takatsugu Awazu
- Â Grass Man 1 episode, 2023
- Manami Hanazono
- Â Girl 1 episode, 2023
- Akira Koga
- Â Mizuguchi 1 episode, 2023
- Nobunaga Shimazaki
- Â Shingo 1 episode, 2024
- Jun Fukuyama
- Â Fairy 1 episode, 2024
- Manaka Iwami
- Â Nozomi 1 episode, 2024
- Yasuhiro Mamiya
- Â Unicorn 1 episode, 2024
- Takaaki Torashima
- Â Customer 1 episode, 2024
- Mitsuaki Kanuka
- Â Great Buddha 1 episode, 2024
- Kôichi Sakaguchi
- Â Nagisa's Dad 1 episode, 2024
- Jun'ichi Endô
- Â Antique Shop Owner 1 episode, 2024
