| Suzanna | Abrams | A singer-songwriter. |
| Dollar | Bill | A serial killer. |
| Melissa | Bloch | Eddie's investigator. |
| Daisy | Broder | A witness. |
| Mrs. | Broder | The woman with the best candy in the neighborhood. |
| Kate | Brooks | Eddie's firm partner and co-counsel. |
| Archie | Bunsen | A lawyer for slumlords. |
| Betty | Clarke | A crime correspondent. |
| Farley | Climpton | The medical examiner. |
| Paige | Delaney | FBI Analyst on Sandman's case. |
| Clay | Dryer | The first alternate juror. |
| Peter | Durant | Current occupant. |
| Jimmy | Fellini | Eddie's childhood friend. AKA: The Hat. |
| Old | Fellini | A crime syndicate. Jimmy's father. |
| Amy | Flynn | Eddie's daughter. |
| Eddie | Flynn | A law firm owner. Carry's new lawyer. |
| Harry | Ford | Eddie's old mentor. |
| Ethel | Gorman | One of the jurors. |
| Cal | Johnson | Forensic scientist. |
| Penny | Jones | Suzanna's roommate. |
| Joshua | Kane | A killer. |
| BTK | Killer | One of the well-known serial killers. |
| The Green River | Killer | One of the well-known serial killers. |
| Gabriel | Lake | A serial killer hunter. |
| Anthony | Lombardi | Jimmy's cousin. AKA: Tony. |
| George | Metesky | The mad bomber. |
| Carrie | Miller | The Accomplice. Daniel's wife. |
| Daniel | Miller | A serial killer that Delaney hunts. AKA: Danny, Sandman, Coney Island Killer. |
| Chester | Morris | A doorman. |
| Chester | Morris | A witness. |
| Chester | Morris | One of the alleged eyewitnesses. |
| Elly | Nielsen | Stacey's daughter. |
| Stacy | Nielsen | One of Sandman's victims. |
| Tobias | Nielsen | Stacey's husband. |
| Lillian | Parker | A freelance designer. One of the victims. |
| Otto | Peltier | A well-known criminal lawyer. Carrie's old lawyer. |
| Bill | Seong | The Task force lead. AKA: William Seong. |
| Margaret | Sharpe | A marketing director. One of Sandman's victims. |
| Leo | Stoker | A judge. |
| Mike | Stone | A detective. |
| Teresa | Vasquez | A witness. |
| Teresa | Vasquez | Lillian Parker's neighbor. |
| Christine | | Eddie's ex-wife. |
| Clarence | | Harry's dog. |
| Denise | | Experienced legal secretary. |
| Dennis | | The building inspector. |
| Gacy | | One of the well-known serial killers. |
| Halina | | The waitress. |
| Harper | | The woman that Eddie loved and lost. |
| Jerry | | Stoker's clerk. |
| Julian | | Miggs's partner. |
| Kevin | | Amy's step-father. |
| Lucy | | The cat. |
| Miggs | | The older agent. |
| Moonman | | Bunsen's personal bodyguard. |
| Parks | | One of the agents who had been guarding Teresa Vasquez. |
| Petra | | Margaret's gym friend. |
| Ray | | A hotdog stand owner. |
| Rudnick | | An agent at CID. |
| Tom | | Duty manager. |
| Wings | | One of Fellini's men. |