Alex is an investigator for Lancaster & Jordan who previously survived a horrific home invasion that claimed her parents and brother. Branded "empty eyes" by a sensationalist media, she lives under an assumed identity to escape public scrutiny. She is resourceful and fiercely determined, constantly compartmentalizing her trauma by dedicating herself to uncovering the truth behind her family's tragedy.

Garrett is a highly capable lawyer who successfully represents Alex during her grueling defamation trial. He later offers her a position as an investigator at his Washington, D.C. law firm, Lancaster & Jordan. He actively positions himself as a protector of the innocent and maintains a paternalistic watch over Alex's life.

Jacqueline is the formidable co-founder of the law firm where Alex works. She assigns cases to the investigative team and maintains a highly professional, driven demeanor. She manages the legal defense for clients facing intense public and police scrutiny.

Annette is a seasoned FBI agent nearing retirement who specializes in probing into people's personal histories. Her meticulous vetting process brings her into the orbit of a university scandal and eventually intersects with Alex's separate investigations. She maintains a rigorous, disciplined approach to both her physical fitness and her career.

Donna is a police officer who was among the first responders on the night of the Quinlan murders. Her early doubts about the police department's rush to judge Alex lead her to enlist her husband's legal expertise, putting herself at odds with her fellow officers.

Tracy is an opportunistic and ambitious journalist for the Times who built her career by sensationalizing the Quinlan murders. She coined the term "empty eyes" and represents the intrusive, damaging nature of true crime fanaticism, actively using her media platform to hunt for Alex.

Laura is a dedicated student at McCormack University who runs an independent reporting outlet. She is deeply committed to exposing a campus rape scandal involving fraternities, putting herself at significant risk to bypass institutional cover-ups and give a voice to victims.

Matthew is Laura McAllister's boyfriend who quickly becomes a person of interest when she goes missing. He insists on his innocence and hires top-tier lawyers to handle the police scrutiny while admitting he fought with Laura shortly before her disappearance.

Larry is the presumptive nominee to fill a Supreme Court vacancy. He projects a flawless public image but is desperate to shield his family's reputation from looming scandals involving his son at McCormack University.

Duncan is Larry Chadwick's privileged son and a fraternity member at McCormack University. His reckless actions and involvement in a campus assault threaten his father's political aspirations.

Buck is the grizzled, highly functioning senior investigator at Lancaster & Jordan. He struggles with alcohol use but remains sharp on the job, serving as a tough but experienced mentor for Alex as she learns the practical realities of investigative work.

Leo is a capable operative hired by Garrett to secretly watch over Alex while she lives in Europe. He is pragmatic, efficient, and steps in to handle dangerous situations when Alex is cornered by true crime fanatics.

Drew is a bank employee and obsessive true crime fanatic who recognizes Alex during her visit to Switzerland. Driven by morbid curiosity and a desire for a massive payout, he attempts to extort her by threatening to expose her location.

Verne is Drew's girlfriend and a fellow true crime obsessive. She works alongside Drew to track Alex down, tricking her way into Alex's home to demand hush money in exchange for keeping her identity secret.

Raymond is Alex's thirteen-year-old brother whose tragic, senseless death during a home invasion deeply traumatizes Alex. His memory serves as a core emotional anchor and driving force for her pursuit of answers.

Lane is an expert in uncovering patterns in serial killings. He runs a private company that utilizes specialized software algorithms to find commonalities among victims, and he agrees to assist Annette with her unofficial investigation.

Byron is a new client at Lancaster & Jordan seeking help with a wrongful termination case. His seemingly standard financial background check unearths disturbing hidden files on his computer, complicating the firm's involvement.