The story of Pentecostal minister Glenn Summerford — a man accused of attempting to murder his wife with a rattlesnake in the sleepy town of Scottsboro, Alabama — and the investigation and trial that haunted Southern Appalachia for decades.
| Actor | Role |
|---|---|
| GGlenn SummerfordSelf (archive footage) | Self (archive footage) |
| DDarlene SummerfordSelf | Self |
| TThomas G. BurtonSelf / Researcher / Narrator | Self / Researcher / Narrator |
 Caspian DiamentYoung Marty | Young Marty |
 Major Dodge Jr.Young Glenn | Young Glenn |
| MMichael SolyanikEddie Ray Summerford | Eddie Ray Summerford |
 Drew YoungbloodBill Summerford | Bill Summerford |
| DDoris SummerfordSelf - Glenn's first wife | Self - Glenn's first wife |
| MMarty SummerfordSelf | Self |
| HHeather SummerfordSelf - Marty's wife | Self - Marty's wife |
| BBentley WilliamsYoung Doris | Young Doris |