Directed by Kasi Lemmons (Eve's Bayou, Talk to Me), the film features a screenplay by Lemmons and Gregory Allen Howard (Ali, Remember the Titans).
"I'm going to be free or die", Harriet tells her white pursuers (including "The Favourite's" Joe Alwyn) before jumping off a bridge to freedom. The film will chronicle Tubman's escape from slavery and subsequent missions to free dozens of slaves though the Underground Railroad in the face of growing pre-Civil War adversity.
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Erivo, who starred in last year's Bad Time at the El Royale, will step into the very large role of Harriet Tubman.
The trailer also gives the first look at Hamilton Tony Award victor Leslie Odom Jr.as William Still, another black abolitionist known as the "Father of the Underground Railroad", in one of his first film roles. Tony, Grammy and Emmy victor Erivo also sings "Farewell Oh Farewell", a new song from the film, in the trailer.
"God don't mean people to own people", Tubman says in the trailer.
Cynthia Erivo stars Harriet Tubman in the movie, opening in theaters on November 1, 2019.