Ro-Kyu-Bu!/Trivia


 * Casting Gag: The five main seiyuu actually form a group literally named Ro-Kyu-Bu. This isn't simply a mere coincidence.
 * Hey, It's That Voice!
 * In the first season:
 * Yuuki Kaji as Subaru Hasegawa
 * Kana Hanazawa as Tomoka Minato
 * Yuka Iguchi as Maho Misawa
 * Yoko Hikasa as Saki Nagatsuka
 * Rina Hidaka as Airi Kashii
 * Yui Ogura as Hinata Hakamada
 * Mamiko Noto as Nayu Hasegawa
 * Kanae Itou as Aoi Ogiyama
 * Shizuka Itou as Mihoshi Takamura
 * Minako Kotobuki as Natsuhi Takenaka
 * Rina Sato as Touko Hatano
 * Asami Seto as Kagetsu Hakamada
 * Mariya Ise as Miyu Aida
 * Satomi Satou as Manaka Nobidome
 * Ayako Kawasumi as Hatsue Nobidome
 * Asuka Oogame as Satsuki "Zono" Kakizono
 * Ai Kayano as Tae "Shouji" Mishouji
 * Chieko Kagose as Kumi Tsukada
 * Naoko Sugiura as Misuzu Kuumoto
 * Arisa Nishiguchi as Ran Yahagi
 * Rei Mochizuki as Momoe Tachibana
 * In the second season:
 * Misaki Kuno as Mimi Balguerie
 * Minami Tsuda as Tsubaki Takenaka
 * Aya Suzaki as Hiiragi Takenaka
 * Risa Taneda as Masami Fujii
 * Takehito Koyasu as Ginga Hasegawa
 * Ryotaro Okiayu as Shinobu Minato
 * Yumi Uchiyama as Kaori Minato
 * Shintaro Asanuma as Ryuichi Suga
 * Asami Shimoda as Nana Yotsuya
 * Yuiko Tatsumi as Mayumi Odaka and Nobue Okuda
 * Haruka Yamazaki as Yume Nakano
 * Ari Ozawa as Wakana Kitano
 * Relationship Voice Actor and nearly all of them have voiced a role in To Aru Majutsu no Index/To Aru Kagaku no Railgun.
 * Tomoka: Haruue
 * Maho: Index
 * Airi: Last Order
 * Touko: Biri-Biri
 * Aoi: Saten
 * Mihoshi: Kanzaki
 * Takenaka: Kongou
 * Nayu: Himegami
 * Miyu: Lucia
 * Manaka: Banri
 * Hatsue: Laura
 * Mishouji: Itsuwa
 * Hiiragi: Rikou
 * Masami: Jane Elves (Miracle of Endymion OVA)