Who are the characters in The Night Face Up?

In "The Night Face Up" by Julio Cortázar, the main character is an unnamed contemporary man who experiences a motorcycle accident and finds himself in a hospital. He alternates between this reality and vivid dreams of being a Moteca Indian captured during the Aztec era. Other significant characters include the doctor and nurses in the hospital, as well as the Aztec captors and the priest in his dream sequences. The story explores the interplay between these two realities and the protagonist's struggle between them.