| Lena | Adams | One of Jeffrey's detectives on the Grant County police force. |
| David | Berkowitz | American serial killer. |
| Jake | Berman | One who was at the scene of the crime. |
| Lydia | Berman | Jake Berman's wife. |
| Kenneth | Bianchi | American serial killer. |
| Ted | Bundy | American serial killer. |
| Tony | Campana | Baseball player. |
| Jimmy | Choo | Malaysian Chinese fashion designer. |
| Henry | Coldfield | A salesman. |
| Matthias Thomas | Coldfield | Real name of Tom Coldfield. |
| Leo | Donnelly | A homicide detective. |
| Barry | Fielding | A canine expert for GBI. |
| Francis | Fierro | A patrolman. |
| Cal | Finney | Simkov's lawyer. |
| Max | Galloway | A detective. |
| Pete | Hanson | A medical examiner. |
| Natalee Ann | Holloway | American woman whose disappearance made international news. |
| Donna | Karan | American fashion designer. |
| Otto | Krakauer | A doctor at Grady Hospital. |
| Leonard | Lake | American serial killer. |
| Sam | Lawson | A reporter. |
| Anna | Lindsey | A corporate lawyer. |
| Balthazar | Lindsey | Anna's son. |
| Sara | Linton | A doctor. |
| Jill | Marino | One of the ICU nurses. |
| Victor | Martinez | Faith's ex-lover. |
| Groucho | Marx | American comedian. |
| Karl | Marx | German philosopher. |
| Alexandra | McGhee | Pauline's friend. |
| Pauline | McGhee | An interior designer. |
| Faith | Mitchell | A special agent. |
| Zeke | Mitchell | Faith's brother. An Air Force surgeon. |
| Charles | Ng | Hong Kong serial killer in United States detainment. |
| Wallace | O'Connor | One of the witnesses. |
| Laci | Peterson | American woman whose murder case was highly publicized. |
| Lyle | Peterson | Rockdale County's chief of police. |
| Angie | Polaski | Will's wife. |
| Richard | Ramirez | American serial killer and rapist. |
| Charlie | Reed | An Atlanta police. |
| Joel | Rifkin | American serial killer. |
| Phil | Sanderson | An orthopedic surgeon. |
| Mary | Schnoder | One of the nurses at Grady Hospital. |
| Pauline Agnes | Seward | Real name of Pauline McGhee. |
| Nick | Shelton | The regional field agent for District 23. |
| Rick | Sigler | A paramedic. |
| Otik | Simkov | A doorman. |
| Candace C. | Smith | Jackie's acquaintance. aka: Candy. |
| Michael | Tanner | Olivia's brother. |
| Olivia | Tanner | Worked in a private bank in Buckhead. |
| Jeffrey | Tolliver | Sara Linton's husband. |
| Will | Trent | A special agent. |
| Donald | Trump | 45th President of the United States. |
| Andreas | Vesalius | An anatomist. |
| Amanda | Wagner | The deputy director of the Georgia Bureau of Investigations. |
| Delia | Wallace | A gynecologist and endocrinologist |
| Oprah | Winfrey | American media proprietor. |
| Dick | Winters | An old cop. |
| Gwendolyn | Zabel | Jackie's mother. aka: Gwen. |
| Jacqueline | Zabel | A realtor. aka: Jackie. |
| Armando | | A deliveryman. |
| Bella | | Sara's aunt. |
| Betty | | Will's dog. |
| Beulah | | One of the witnesses. |
| Big Pete | | A mule. |
| Billy | | One of Sara's dogs. |
| Bob | | One of Sara's dogs. |
| Caroline | | Amanda Wagner's assistant. |
| Cathy | | Sara's mother. |
| Chuck | | Joelyn's lawyer. |
| Darla | | Tom's wife. |
| Edna | | One of the witnesses. |
| Evelyn | | Faith's mother. |
| Felix | | Pauline's son. |
| Freddy | | Simkov's acquaintance. |
| Gretchen | | Sam's wife. |
| Hannah | | Candy's daughter. |
| Jeremy | | Faith's son. |
| Joelyn | | Jackie's sister. |
| Judith | | Henry's wife. |
| Lilly | | One of Judith and Henry's grandchildren. |
| Lola | | Angie's friend. |
| Macon | | An X-ray technician |
| Mark | | One of Judith and Henry's grandchildren. |
| Mark | | Tom's son. |
| Morgan | | Pauline's boss. |
| Nancy | | A social worker. |
| Rosa | | Judith's older sister. |
| Snoopy | | Pete Hanson's assistant. |
| Sonny | | Mary's husband. |
| Ted | | Faith's uncle. |
| Tessa | | Sara's sister. |
| Thomas | | Judith and Henry's son. aka: Tom |
| Vivian | | A body builder. |
