* Balto: A black and white wolf who is the main protagonist of the film series.
* Boris: A Russian wolf who is Balto's rival.
* Dakota: A black wolf who is a member of Balto's team.
* Jenna: A brown wolf who is a Balto's love interest.
* Kaltag: A gray wolf who is a member of Balto's team.
* Koani: A white wolf who is the daughter of Aleu and Balto.
* Nuk: A white wolf who is a member of Balto's team.
* Steel: A gray wolf who is the leader of a rival wolf pack.
* Star: A black wolf who is Balto's friend.
* Togo: A gray wolf who is the leader of the sled dogs.
* Willow: A wolf that Balto rescued.