Sarah is a student at Luna Nova Magical Academy, who appears in the OVAs and anime. She's a tall girl with ginger hair and red eyes. Her debut as a background character was in the first film, and she continued her role on the anime series.
Mary is a student at Luna Nova Magical Academy. She appears as a background character in the OVAs and in the anime series. She's a girl of average height with blue eyes and teal blue hair tied in a ponytail with a red ribbon with a bang going to the left side of her face. Her first appearance was in the first short film. In the anime, she's one of Avery's roommates.
Blair is a student at Luna Nova Magical Academy, who's friends with Avery and Mary. Presumably, she is roommates with both Avery and Mary, as they're often seen together in the anime. She's a girl of average height with long, wavy blonde hair tied into two pigtails and green eyes. Her first appearance was in "Pappiliodya".
The History Teacher is a teacher at Luna Nova Magical Academy who teaches witch history to students. She is an elderly woman with brown eyes and gray hair tied in a long ponytail. She wears the same uniform as the Luna Nova teachers, with three blue feathers on her hat.
She first appears in first OVA, giving one of her history of magic classes, teaching about how Ley Lines and Sorcerer's Stones work. Akko ends up sleeping in the middle of the class, which leads the teacher to awaken her abruptly with her magic. After quoting an old saying about the abuse of magic, she scolds Akko to take the story of magic seriously. She is voiced by Hisako Kyōda in the Japanese dub and by Eileen Galido in the English dub, who also voices Nelson.
The Alchemy Teacher is another teacher at Luna Nova Magical Academy, who specializes in alchemy magic. She is an old woman with long purple hair, violet eyes and two large incisors protruding from her mouth. She wears the same uniform as the Luna Nova teachers over a purple open-necked shirt, with two red feathers on her hat.
In "Orange Submariner", she appears imparting the test of basic alchemy, consisting of transforming a metal plate. She is impressed at how Constanze transforms her metal plate into a scaled robot, but gives her a B+ because it was not very useful. When Akko's turn comes, she ends up causing an explosion in the room, causing her to get a C-.
Bird Language Teacher
The Bird Language Teacher is a language teacher at Luna Nova Magical Academy. She is an short and elderly woman with gray hair and great blue eyes. She wears the standard uniform of the teachers of Luna Nova with a pair of glasses and two red feathers on her hat. Her first and only appearance was in "Orange Submariner".
White Magic Teacher
The White Magic Teacher is a teacher who specializes in White Magic over at Luna Nova. She is a middle-aged woman with dark green eyes and light green hair scattered about. She wears the same uniform as the other Luna Nova teachers. She seems to be a serious woman and difficult to impress, being disappointed of the presentation of Akko during the practical examination and only giving the best grade to two of the students. Her first appearance and only appearance was in "Orange Submariner".
Jane is a baker who likes to bake Hapansilakka pies, and is unaware that they can spread the Greenman Disease.
Nicholas wanders the mountain slopes of Finland with his reindeer. He helped Akko gather the ingredients for curing the Greenman Disease. He is presumably a Laplander.
Mr. and Mrs. Kagari
Marito is a distant cousin of Sucy. He's a dark skinned male with black hair and he wears traditional clothing of the Filipino-like region. He helps out Lotte and Sucy when they arrive on the Manba island and Lotte develops an immediate crush on him. Marito offers to help Sucy search for any information on her familar.
Lemmy is Akko's second Golem in the manga. He is very loyal to his creator but his existence proved to be problematic for Akko; He did not only grow larger by devouring all of Sucy's mandrakes, but also kept Akko from using her powers as all of her magic had been used to keep him alive. Aware that his existence will hinder Akko's dream of becoming like Chariot, Lemmy provoked Akko to destroyed him by attacking Diana, Hannah, and Barbara.
The Shopkeeper is a clothing retailer who used a magical item to become invisible and steal Shiny Chariot's costume designs in order to turn them into fake copies so he could sell online.