| | | | Shelby County |
| Pro | | | Texas, 2016 |
| | Geneva Marie | Meeks | Geneva's café owner. Aka: Neva. |
| | Muddy | Waters | American singer-songwriter. |
| | Joe | Sweet | Geneva's husband. Aka: Petey Pie. |
| | Mitty | | Cemetery's groundskeeper. |
| | Wendy | | Geneva's business associate. |
| | Huxley | | Local retiree. |
| | Tim | | Long-haul trucker. |
| | Parker | Van Horn | Shelby County sheriff. |
| | Isaac | Snow | Town barber. |
| | Dennis | | Geneva's cook. |
| | | | Part One |
| 1 | Darren | Mathews | Texas Ranger. |
| | Ronnie | Malvo | Criminal informant for the federal government. Aka: Redrum. |
| | Johnnie | Taylor | American songwriter. |
| | Lisa | | Darren's wife. Aka: Lis. |
| | Frank | Vaughn | The district attorney of San Jacinto County. |
| | Rutherford | McMillan | Darren's friend. Aka: Mack. |
| | Clayton | | Darren's uncle. Professor of constitutional law. |
| | William | | Darren's uncle. Texas Ranger. |
| | Al | Sharpton | American civil rights activist. |
| | | | ABT - Aryan Brotherhood of Texas |
| | Breanna | | Mack's granddaughter. |
| | Fred | Wilson | Darren's lieutenant. |
| 2 | Greg | Heglund | Darren's FBI friend in Houston. |
| | Kay | | Kay's Kountry Kitchen owner. |
| | Vince | Gill | American singer-songwriter. |
| | Kenny | Chesney | American singer-songwriter. |
| | Johnny | Cash | American singer-songwriter. |
| | Hank | Williams | American singer-songwriter. |
| | Charley | Pride | American singer. |
| | Clarence | Brown | American film director. Aka: Gatemouth. |
| | Freddie | King | American guitarist. |
| | Aaron | | William's son. |
| | Melissa | Dale | One of the murder victims. Aka: Missy. |
| | Michael | Wright | One of the murder victims. |
| | James | Byrd Jr. | African-American who was murdered by three white supremacists. |
| | Sandra | Bland | African-American who was found hanged in a jail cell in Waller County. |
| 3 | Bell | Callis | Darren's mother. |
| | Puck | | Bell's landlord. |
| | Duke | Mathews | Darren's father. |
| | Naomi | | William's widow. |
| | Rebecca | | William's daughter. |
| | | Fisher | Bell's employer. |
| 4 | Randie | Winston | Michael Wright's wife. |
| | Keith Avery | Dale | Missy Dale's husband. |
| | | | Part Two |
| 5 | Mahalia | Jackson | American gospel singer. |
| | Wallace | Jefferson III | Land owner and businessman. Aka: Wally. |
| 6 | John Lee | Hooker | American singer-songwriter. |
| | Laura | Jefferson | Wally's wife. |
| 7 | George | Strait | American singer. |
| | Luke | Bryan | American singer. |
| | | | Part Three |
| 9 | Tom | Randall | Member of Parliament of the United Kingdom. |
| 10 | Keith Junior | | Missy's son. |
| 11 | Faith | | Geneva's granddaughter. |
| | Rodney | | Faith's boyfriend. |
| 12 | Aimee | Kwon | Medical examiner. |
| | Waylon | Jennings | American singer-songwriter. |
| | Nathan | | Joe's older brother. |
| | Buddy | Guy | American guitarist. |
| | Bobby | Bland | American singer. Aka: Blue. |
| | Joe | Sweet Jr. | Faith's father. Aka: Lil' Joe. |
| | Brady | | Icehouse bar manager. |
| | Lynn | | Bartender. |
| 13 | Booker | Wright | Bass player. |
| | Etta | James | American singer. |
| | Wilson | Pickett | American singer. |
| | Johnnie | Taylor | American songwriter. |
| | O. V. | Wright | American singer. |
| | Otis | Redding | American singer-songwriter. |
| | Don | Robey | American record label executive, songwriter, and record producer. |
| | Tommy | | One of Bobby's boys. |
| | Bones | | One of Bobby's boys. |
| | Amon | Richmond | One of Bobby's boys. |
| | Jackie | Wilson | American singer. |
| 15 | Mary | Sweet | Faith's mother. |
| | Chris | Wozniak | Reporter from the Chicago Tribune. |
| 16 | Teresa | Martin | Wozniak's editor. |
| | Wallace | Jefferson II | Wally's father. Aka: Jeff. |
| | Phyllis | Slatterly | Jeff's second wife. |
| | Trent | | Wally's younger brother who died in a car accident. |
| | | | Part Four |
| 17 | Frederick | Hodge | Geneva's lawyer. |
| 24 | | Redding | One of the sheriff's deputies. |
| | | Daniels | One of the sheriff's deputies. |
| | | Armstrong | One of the sheriff's deputies. |