Recurring
Lily Archer (portrayed by Melissa Carcache) is a school nurse and Emma's Guardian witch. She uses a magic kit to perform magic, lacking any magic of her own. She becomes a member of the Witches' Council in the second season.
Robert Miller (portrayed by Louis Tomeo) is Daniel's brother, the oldest and leader of the Terrible 3 (T3) and their best inventor. He is the American counterpart of Roberto Esquivel.
Melanie Miller (portrayed by Jackie Frazey) is Daniel's sister who is the middle child and only girl of the Terrible 3 as well as the smartest. She does not appear in the fourth season.
Tommy Miller (portrayed by Jason Ian Drucker) is Daniel's brother who is the youngest of the Terrible 3 and most hyperactive. He is the American counterpart of Luis Esquivel.
Ursula Van Pelt (portrayed by Katie Barbieri) is Maddie's mother who holds feelings for Francisco. In the second season, Maddie's powers lands on her, and she uses them to make Francisco fall in love with her, though they finally kiss in the series finale. Ursula does not like Diego because he is a Kanay, and does not accept him and Maddie dating; however, she finally accepts Diego when he saves the Van Pelt family reunion from Jake. Ursula also wants to prove herself as a hero to the council. Ursula is head of the Van Pelt Coven. In the third season, she adopts Philip.
Francisco Alonso (portrayed by Rene Lavan) is Emma's father. He becomes Iridium High's principal in the second season after former Principal Torres's defeat in the first season. He dislikes Daniel and likes Jax. He does not know that Emma is a witch, though his wife was one. He has a hard time talking about his wife with Emma. He and Ursula kiss in the fourth season finale: although shown to not have feelings for her, he makes it clear that he does when he returns the kiss. He has the same name as his Latin counterpart from Grachi.
Desdemona (portrayed by Mia Matthews) is a member of the Witches' Council and Emma's new Guardian in the second season while Lily is in training. In the season, the Fool Moon turns her evil, having her bent on destroying the magic world, but she is restored to normal by the last light.
Agamemnon (portrayed by Todd Allen Durkin) is the leader of the Witches' Council and the supervisor of Rebels Boot Camp in the third season. He becomes the headmaster of the WITs Academy in the same-named spin-off.
Christine Miller (portrayed by Whitney Goin) is Daniel's mother.
Julio (portrayed by Rafael de la Fuente) is the adopted son of the Principal and the coach of the Sharks. He is later revealed to have been a frog who was turned into a human.
Rick Miller (portrayed by Jimmie Bernal) is Daniel's father. He does not appear after the first season.
Ramona (portrayed by Lisa Corrao) is a member of the Witches' Council. She does not appear after the second season.
Jake Novoa (portrayed by Richard Lawrence-O'Brian) is Jax's father, a charming yet dangerous wizard who is obsessed with power. He seems evil, but he is just looking out for his family.
Jessie Novoa (portrayed by Julia Antonelli) is Jax's long-lost younger sister who is introduced in the fourth season. She did not have powers at the beginning, but she finally gets them in the series finale, thus leading her to attend the WITS Academy to train.
Liana Woods-Novoa (portrayed by Betty Monroe) is a witch who is Jax and Jessie's mother.
Philip Van Pelt (portrayed by Liam Obergfoll) is a zombie and Andi's boyfriend. He originates from a video game that she hacked. In the third season, Philip is restored to life by Emma and turned into a human.
Oscar (portrayed by Ethan Estrada) is Diego and Gigi's cousin and a member of H2O, a group similar to the Terrible 3.
Hector (portrayed by Nicholas James) is Diego and Gigi's cousin, Oscar's younger brother, and member of H2O..
Sebastian (portrayed by Demetrius Daniels) is Gigi's cameraman.
Evil Emma (portrayed by Violet Green), nicknamed "E", is an evil and rebellious clone of Emma. In the fourth season, Emma fuses with E to prevent her from ever returning.
Principal Torres (portrayed by Michele Verdi) is a former Chosen One and the principal of Iridium High. She intends to take Emma's powers for herself.
The Hexoren is a sentient spellbook that can fly, open up to a specific page on command, and communicate. Throughout the series, the Hexoren is often seen accompanying Andi; in the series finale, Emma entrusts the Hexoren to Andi as she goes to WITS Academy.
