Rudy is a broke young law student in his final semester at Memphis State, driven partially by a desire to spite his late father and to earn a lucrative paycheck. He faces financial ruin and the sudden loss of his promised post-graduation job just as he prepares for the bar exam. Despite his cynical exterior and initial selfish motivations, he possesses an inherent moral code and resourcefulness that guide him as he works his way through the shady underside of the legal profession.

Dot is a poor blue-collar woman living in a post-WWII Memphis suburb. She is fiercely devoted to her son Donny Ray, who is suffering from leukemia. Desperate and angry after receiving multiple claim denials from Great Benefit Life Insurance, she turns to Rudy for legal help to expose the company's bad-faith practices.

Donny Ray is a young man battling a severe case of leukemia. Because his health insurance company repeatedly refuses to cover a bone marrow transplant, his condition steadily worsens. His suffering and quiet dignity give Rudy a sense of moral purpose beyond financial gain.

Deck is a pragmatic paralegal who has repeatedly failed the bar exam but possesses a wealth of practical legal knowledge. He specializes in securing personal injury cases by signing up injured hospital patients. Despite his ethically questionable tactics, he becomes a loyal business partner to Rudy and teaches him the mechanics of real-world legal practice.

Kelly is a beautiful nineteen-year-old woman trapped in a violent marriage. After suffering another severe beating from her husband, she meets Rudy at the hospital. She is quiet and hesitant to press charges, attempting to distance herself from Rudy to avoid causing him trouble despite clearly needing protection.

Cliff is Kelly's abusive husband who works a menial job and plays amateur softball. He possesses a violent temper and repeatedly inflicts severe injuries on his young wife, presenting an ongoing, dangerous physical threat to anyone who tries to intervene.

Leo F. Drummond is an experienced, highly paid senior partner at Tinley Britt, the most powerful law firm in Memphis. He represents the corporate interests of Great Benefit Life Insurance. Confident and well-connected to the local judicial establishment, he uses his firm's vast resources to intimidate smaller opponents and delay proceedings.

Booker is Rudy's best friend in law school and an African American family man. He has already secured a promising job at a prestigious firm specializing in civil rights litigation. He acts as a grounding force for Rudy by offering practical assistance, study help, and a place to sleep when Rudy faces eviction.

Miss Birdie is a lonely elderly widow who claims to possess a multi-million dollar estate left by her late husband. She expresses a strong distrust of lawyers but hires Rudy to draft a simple will cutting out her family. She rents her spare garage apartment to Rudy in exchange for yard work.

Buddy is Donny Ray's father. He is an unemployed alcoholic who spends most of his days sitting outside in his vehicle, largely disconnected from the active pursuit of his son's legal case, though he quietly supports his wife's efforts.

Ron is Donny Ray's twin brother. He lives in Texas and is somewhat estranged from the rest of his immediate family, though he is entirely willing to serve as a bone marrow donor to save his brother.

Tyrone is an African American lawyer and partner at the Marvin Shankle firm who is soon appointed to the bench following Judge Hale's death. He harbors a strong distaste for large insurance companies and the blue-blood law firms that represent them, making him a crucial asset to Rudy's fight against Great Benefit.

Bruiser is a high-rolling criminal lawyer who keeps a shark tank in his office as a nod to his aggressive reputation. He relies on police informants to quickly reach accident victims, and he faces an active investigation by the FBI.

Prince is a local bar owner who allegedly deals in illicit businesses, including illegal gambling. Despite his criminal ties, he acts as a supportive boss and friend to Rudy, personally connecting the young law student with Bruiser Stone.

Judge Hale is an older, established judge who favors corporate tort reform and limits on victim restitution. He shares a close personal history with Leo F. Drummond from their time at Yale, leading him to conspire openly with the defense.

Max is one of Rudy's law professors who is known for his open hatred of insurance companies. He provides Rudy with critical early advice on the viability of suing Great Benefit and continues to act as an off-the-books mentor.

Barry is a lawyer working for the legendary Jonathan Lake firm. He deceitfully exploits Rudy's desperation for employment, hiring him as a low-paid paralegal solely to secure the lucrative Black family case files.

Dr. Kord is the oncologist treating Donny Ray's leukemia. Frustrated by Great Benefit's refusal to cover a viable bone marrow transplant, he provides an affidavit and prepares to testify against the insurance company.

Keeley is the CEO of Great Benefit Life Insurance. His primary expertise lies in corporate investments rather than individual claims, and he attempts to evade direct answers regarding the company's vast financial resources during questioning.

Jackie is a former claims handler for Great Benefit who processed Donny Ray's file. As a single mother who faced workplace harassment, she becomes a crucial insider willing to expose the company's systematic scheme of denying legitimate health claims.

Lufkin is a claims executive at Great Benefit. During his testimony, he nervously attempts to defend the company's denial of Donny Ray's coverage and conceal the existence of their fraudulent underwriting manual.

Butch is an ex-cop and a personal friend of Deck Shifflet. He uses his investigative skills to serve subpoenas, sweep offices for wiretaps, and provide physical security when Rudy faces threats.

Robin is a friend of Kelly Riker. She provides temporary refuge at her home after Cliff severely beats Kelly with a belt, and she helps Rudy convince Kelly to pursue a divorce.

Delbert is one of Miss Birdie's sons who resides in Florida. After rumors spread that his mother possesses a massive fortune, he suddenly visits her in Memphis, acting highly protective of her estate and immediately clashing with Rudy.

Randolph is Miss Birdie's other son from Florida. Like his brother, he arrives in Memphis hoping to secure his inheritance, though he takes a slightly more cordial approach when dealing with Rudy.

Marvin Shankle is an influential attorney who heads a prestigious firm specializing in civil rights litigation. He hires Booker Kane and assists Rudy in clearing up early legal trouble following his dismissal from Brodnax and Speer.