Cast of Season 1[]
- Shiba Tatsuya
- Voiced by: Nakamura Yuichi
- The main protagonist and 1st year student at the Magic University Affiliated First High. The story is centered around Tatsuya and his life at school. He is a Course 2 student of First High School, commonly known as "Weeds", for they are reserves and are poorly lacking in practical magic application skills.
- Shiba Miyuki
- Voiced by: Hayami Saori
- Little sister to the main protagonist Shiba Tatsuya. Unlike Tatsuya, Miyuki is a Course 1 student of First High School and is highly admired by her peers. Though due to her brother complex, this often leads to small disruptions in the schools "unspoken law"; Course 1 and Course 2 students should never mingle.
- Chiba Erika
- Voiced by: Uchiyama Yumi
- Daughter of the Chiba Family, of the Hundred Families. She is Tatsuya's classmate and friend throughout their high school journey. She is a Course 2 student of First High School.
- Saijou Leonhard
- Voiced by: Terashima Takuma
- Saijou Leonhart, or commonly known as Leo is a very impulsive and hot-blooded person who is easily provoked. He is one of the few male friends that Tatsuya has and a great companion. He is a Course 2 student of First High School.
- Shibata Mizuki
- Voiced by: Satō Satomi
- Shibata Mizuki is also a friend of Tatsuya's, but has uncommonly extra sensory eyes that can detect other magicians' auras or Psion signatures. She is a Course 2 student of First High School.
- Yoshida Mikihiko
- Voiced by: Tamaru Atsushi
- Yoshida Mikihiko is a user of the Ancient Magic, the first generation of magic that was used. He is introduced later in the series, is a childhood friend of Erika. Mikihiko is a very quiet student, but also the heir to his family's magic. It is hinted that he is more than he seems at times.
- Mitsui Honoka
- Voiced by: Amamiya Sora
- Mitsui Honoka is a very shy and often at times clumsy Course 1 student of First High School. She is friends with Miyuki and is portrayed as a kind and caring person.
- Saegusa Mayumi
- Voiced by: Hanazawa Kana
- Watanabe Mari
- Voiced by: Inoue Marina
- Juumonji Katsuto
- Voiced by: Suwabe Junichi
- Hattori Gyoubushoujo Hanzou
- Voiced by: Kimura Ryohei
- Ichihara Suzune
- Voiced by: Nakahara Mai
- Nakajou Azusa
- Voiced by: Ogasawara Saki
- Kitayama Shizuku
- Voiced by: Tatsumi Yuiko
- Kitayama Shizuku is a friend of both Honoka and Miyuki. Shizuku is a very quiet and reserved girl who does not like to talk a lot. Like Honoka and Miyuki, she is a Course 1 student of First High School.
- Mibu Sayaka
- Voiced by: Tomatsu Haruka
- A 2nd year student Course 2 student of First High School. She was caught up in the Blanche incident during the enrollment arc. She is portrayed as a very beautiful lady. She is also the a great kendo master.
- Kirihara Takeaki
- Voiced by: Sugita Tomokazu
- A 2nd year student Course 1 student of First High School. He is a kenjustu practitioner and is close friends with Hattori.
- Ichijou Masaki
- Voiced by: Matsuoka Yoshitsugu
- A first year Course 1 student of Third High School. He is the next head of the Ichijou family of the Ten Master Clans. He is described as a young and handsome man.
- Kichijouji Shinkurou
- Voiced by: Murase Ayumu
Cast of the Movie: The Girl Who Summons the Stars[]
- Shiba Tatsuya
- Voiced by: Nakamura Yuichi
- Shiba Miyuki
- Voiced by: Hayami Saori
- Angelina Kudou Shields
- Voiced by: Hikasa Yoko
- Chiba Erika
- Voiced by: Uchiyama Yumi
- Saijou Leonhard
- Voiced by: Terashima Takuma
- Shibata Mizuki
- Voiced by: Sato Satomi
- Yoshida Mikihiko
- Voiced by: Tamaru Atsushi
- Mitsui Honoka
- Voiced by: Amamiya Sora
- Kitayama Shizuku
- Voiced by: Tatsumi Yuiko
- Saegusa Mayumi
- Voiced by: Hanazawa Kana
- Watanabe Mari
- Voiced by: Inoue Marina
- Juumonji Katsuto
- Voiced by: Suwabe Junichi
- Angelina Kudou Shields
- Voiced by: Hikasa Youko
- Watatsumi Kokoa
- Voiced by: Kohara Konomi
- Kokoa is a deserter from the National Defense Navy's base, and who ends up in Miyuki's care. Her appearance is that of a very young woman, but her true character is shrouded in mystery.
Cast of Season 2[]
This season has an official dub, so the format for the voice actors is Japanaese/American.
- Shiba Tatsuya
- Voiced by: Nakamura Yuichi/Alejandro Saab
- Shiba Miyuki
- Voiced by: Hayami Saori/Anairis Quiñones
- Angelina Kudou Shields
- Voiced by: Hikasa Yoko/Suzie Yeung
- Chiba Erika
- Voiced by: Uchiyama Yumi/Erica Mendez
- Saijou Leonhard
- Voiced by: Terashima Takuma/Mick Lauer
- Shibata Mizuki
- Voiced by: Sato Satomi/Xanthe Huynh
- Yoshida Mikihiko
- Voiced by: Tamaru Atsushi/Landon McDonald
- Mitsui Honoka
- Voiced by: Amamiya Sora/Kimberly Woods
- Kitayama Shizuku
- Voiced by: Tatsumi Yuiko/Ryan Bartley
- Saegusa Mayumi
- Voiced by: Hanazawa Kana/Maureen Price
- Watanabe Mari
- Voiced by: Inoue Marina/Amber Lee Connors
- Juumonji Katsuto
- Voiced by: Suwabe Junichi/Kaiji Tang
Cast of the Spin-off Anime: The Honour Student at Magic High School[]
This season has an official dub, so the format for the voice actors is Japanaese/American.
- Shiba Miyuki
- Voiced by: Hayami Saori/Anairis Quiñones
- Shiba Tatsuya
- Voiced by: Nakamura Yuichi/Alejandro Saab
- Mitsui Honoka
- Voiced by: Amamiya Sora/Kimberly Woods
- Kitayama Shizuku
- Voiced by: Tatsumi Yuiko/Ryan Bartley
- Amelia Eimi Akechi Goldie
- Voiced by: Nishi Asuka/Michelle Marie
- Saegusa Mayumi
- Voiced by: Hanazawa Kana/Maureen Price
- Watanabe Mari
- Voiced by: Inoue Marina/Amber Lee Connors
- Ichihara Suzune
- Voiced by: Nakahara Mai/Michelle Ruff
- Nakajou Azusa
- Voiced by: Ogasawara Saki/Michelle Marie
- Kanou Shiori
- Voiced by: Atsumi Tanezaki
- Shiori is a close friend of both Isshiki Airi and Tsukushiin Touko. In AD 2095 she is set to compete in the Women's Newcomers Division Speed Shooter event for Third High School.
- Mizuo Saho
- Voiced by: Erika Ishitobi
- Mizuo is a senior from Third High School. In AD 2095 she is set competed in the Women's Official Division Battle Board event.
- Tsukushiin Touko
- Voiced by: Ibuki Kido
- Touko is a close friend of both Isshiki Airi and Kanou Shiori. In AD 2095 she is set competed in the Women's Newcomers Division Battle Board event. She belongs to Tsukushiin Family, which is an old, honourable Shinto Ancient Magic Family. It has apparent connection with Great Shinto family, Shirakawa. They are widely known for their Water-Spirit Magic.
- Isshiki Airi
- Voiced by: Lynn
- Airi has a superiority complex towards others due to her pedigree of being affiliated with one of the 18 Assistant Houses due to her upbringing as her family were worried about people taking advantage of her status and using her.
Cast of the Reminiscence Arc Anime[]
- Shiba Tatsuya
- Voiced by: 中村悠一 Nakamura Yuuchi
- A first-year middle school student and the son of the renowned Yotsuba family. Born a defective magician with very weak magical powers, he is treated like a servant and instructed to be Miyuki's Guardian. As he rarely shows his emotions, no one can tell if he is dissatisfied with the role he has been given. Though lacking talent in magic, he excels in hand-to-hand combat, and was able to defeat military combat magicians at the tender age of thirteen.
- Shiba Miyuki
- Voiced by: 早見沙織 Hayami Saori
- A first-year middle school student and Tatsuya's younger sister. She is next in line to be the head of the Yotsuba family, and unlike Tatsuya, possesses exceptional magic powers. She is fair and beautiful, with skin as white as snow and hair as black as night. Because of this, her friends call her “Ice Queen,” a nickname she is not particularly fond of. While Miyuki holds great magic potential, she hasn't received the same combat training that Tatsuya has, making her less effective in battle.
- Shiba Miya
- Voiced by: 井上喜久子 Inoue Kikuko
- Twin sister of Yotsuba Maya, the current head of the Yotsuba family. A powerful magician known as the “Mistress of the Lethe,” she excels at Mental Interference Magic. Her excessive use of this power in her youth has had profoundly negative effects on her health, and she remains very sickly. Though she is Tatsuya and Miyuki's biological mother, she treats Tatsuya coldly because of his lack of magical powers. She encourages Miyuki to treat Tatsuya like a servant.
- Sakurai Honami
- Voiced by: 遠藤 綾 Endou Aya
- A first generation “Sakura” series Augmented Magician who has been genetically modified to have greater magical capacity. At thirty years old, she specializes in magic that offers protection from all types of objects and heat, making her one of the top defensive magicians in Japan. As Miyuki's Guardian, Honami both protects Miyuki and tends to her daily needs. She looks after Tatsuya and Miyuki as if they were her younger siblings.