Kamran is a high school senior and star quarterback with a promising future and plans to attend West Point. His comfortable, popular life in Phoenix is upended when his brother is accused of terrorism, forcing Kamran to confront his Persian-American identity and the ensuing Islamophobia from his community. He fiercely believes his brother is innocent and sending coded messages.

Darius is Kamran's older brother and an Army Ranger deployed in Afghanistan. He is a prominent figure in Kamran's life, having taught his younger brother to be tough and to follow their shared moral code. When videos surface showing him working with terrorists, he becomes the subject of a massive national manhunt.

Mickey is a CIA analyst originally from Northern Ireland. Unlike his colleagues, he listens to Kamran's theories about Darius's coded messages. Having personal experience with a radicalized brother during a historical conflict, he understands Kamran's desperation.

Dane is a hulking, imposing former Green Beret working as part of Mickey Hagan's covert team. He brings intense tactical knowledge and physical prowess to their mission, serving as both a protector and a stern combat mentor for Kamran.

Aaliyah is a CIA operative and counterterrorism specialist working with Mickey Hagan. Raised in Lebanon and educated at an elite American boarding school, she understands the sting of Islamophobia and is driven to protect the country while fighting the prejudice she faced growing up.

Bashira is the widow of notorious terrorist leader Haydar Ansari. Driven by intense grief and rage over the destruction of her family and way of life, she harbors an unyielding vendetta against the United States and serves as a dangerous figure orchestrating massive retaliation.

Mrs. Smith emigrated from Iran years ago to escape conflict. She works at a horse ranch in Arizona and raised her sons with a deep appreciation for Persian stories and culture. She is deeply distressed by the accusations against her eldest son.

Mr. Smith is an assistant professor at Arizona State University. As the media scrutiny and community backlash intensify around his family, he becomes overwhelmed by the pressure and begins considering drastic measures to escape the stigma.

Julia is a popular high school student and aspiring actress heavily involved in theater. She is Kamran's girlfriend at the start of the novel, but the international scandal surrounding Kamran's family terrifies her and fractures their relationship.

Adam is Kamran's long-time best friend and a wealthy peer whose father is a bank executive. Though initially supportive of Kamran, the growing evidence against Darius tests the limits of their friendship and brings unspoken tensions to the surface.

Jeremy is a high school student whose bigotry becomes apparent when Kamran intervenes to protect younger students at a dance. He uses racial slurs and blames Kamran's heritage for America's problems, sparking a physical altercation.

Coach Reynolds leads Kamran's high school football team. He tries to keep his players focused on the game despite outside distractions and teaches lessons about discipline that stick with Kamran off the field.

Agent Griggs is a high-level operative with the Department of Homeland Security who briefly interacts with the Smith family. When Kamran attempts to share his theory about Darius's coded messages, she is highly dismissive.

Agent Tomaszewski is a polished, strict agent who questions Kamran during his detention. She treats him with intense suspicion, operating entirely by the book as she attempts to uncover the extent of his family's involvement in terrorism.

Haydar, also known by the code name "The Lion," is a notorious terrorist leader. Originally a wealthy Iraqi businessman, he lost his power when the regime fell and subsequently became a prominent figure in an extremist splinter cell.

Jimmy is a scruffy, heavily tattooed tech specialist assisting Mickey Hagan's covert team. Originally a hacker who breached Department of Defense systems as a prank, he was subsequently hired as a government contractor to boost their cybersecurity.