88th Annual Academy Awards - Arrivals"Underground" as abolitionist Frederick Douglass.

The Grammy and Oscar winner is already an executive producer on the WGN America drama about the Underground Railroad. Now, he'll play one of the most iconic figures in the abolitionist movement in season 2, which is currently filming in Savannah, Georgia and set to premiere in early 2017.

"Underground" has been adding more prominent historical characters for season 2. Aisha Hinds was cast in a recurring role as Harriet Tubman, perhaps the most famous conductor on the Underground Railroad.

Legend, an acclaimed musician (10 Grammys, a Golden Globe, and an Academy Award), is stepping further into the world of film and television. In addition to "Underground," he executive produced and stars in Oscar frontrunner "La La Land" and also executive produced the Barack and Michelle Obama romance "Southside With You."

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