Mark (the narrator): The protagonist of the story, whose journey is recounted in vivid detail. Mark’s character is shaped by his experiences with crime, poverty, and redemption, as he navigates life from his troubled youth to serving as a fighter pilot in the US Navy. Younger years played by Lucas Hedges and older years in the navy played by Taron Egerton.

Josie: A significant figure in Mark’s early life, Josie is his partner during their shared struggles and adventures. She is portrayed as resilient and resourceful, often providing emotional support as they face various challenges together. Played by Maisie Williams.

Janice: Mark’s former partner and an accomplice in some of his past criminal endeavors. Her involvement in Mark’s life reflects the complexity of his relationships and the moral ambiguities he faces. Played by Melissa Barrera.

Salazar: A fellow fighter pilot and friend of Mark’s in the Navy. Salazar is known for his camaraderie and humor, providing both a sense of relief and a mirror to Mark’s own experiences in the military. Played by Diego Boneta.

Gareth: A close friend from Mark’s youth, who plays a pivotal role in some of the formative events of Mark’s life. Gareth’s departure and eventual fate leave a lasting impact on Mark. Played by Michael Trevino.

Detective Snodgrass: The detective investigating the murder of Gareth, Detective Snodgrass is relentless in his pursuit of the truth. His investigation uncovers links to ancient folklore and shadowy cults, adding layers of intrigue to the narrative​. Played by Oscar Isaac.

Eugene and Kevin: Figures from Mark’s past involved in his early criminal activities. They are described as complex characters with hidden depths, contributing to the tension and drama of Mark’s younger years​​.

Commander Theo (call sign Black Knight): A commanding officer aboard the USS Coral Sea, who interacts with Mark and Salazar during their deployments. He is a symbol of authority and the structured life Mark leads in the Navy​.