Archaeologists and historians use cutting-edge technology to investigate and explore some of the biggest mysteries surrounding the Underground Railroad, a secret network that helped enslaved African Americans escape to freedom.
Full Cast of Underground Railroad: The Secret History
Clark Johnson
Narrator (voice)
Clark Johnson (born September 10, 1954), sometimes credited as Clark 'Slappy' Jackson, Clarque Johnson, and J....
- Released on January 30, 2022