Matt’s best friend and squad partner who has a penchant for rushing into dangerous situations, showing both fierce loyalty and a tender side beneath his brash exterior.

A 10-year-old Iraqi orphan who befriends Matt and participates in a makeshift soccer team while navigating the harsh realities of war.

The sole female member of Matt’s squad, a civil affairs officer known for her toughness and desire to prove herself among her fellow soldiers.

One of Justin’s closest friends in the squad, known for both practical jokes and more serious, late-night conversations with Matt.

The leader of Matt’s squad who balances disciplinary duties with a genuine concern for his soldiers’ well-being.

An Army officer who evaluates Matt’s readiness to return to duty after his brain injury and supports him through his memory problems.

An Army chaplain at the hospital who provides comfort to Matt with his love of baseball and spiritual guidance.

A fellow patient in the hospital dealing with the psychological aftermath of a traumatic incident, who shares valuable advice with Matt.

Matt’s high-school girlfriend back home, whose letters remind him of a life that now feels distant and naïve.