shared by the “Moonlight” director on Twitter with the message “We the People…,” opens on a train station lobby packed with hundreds of Black Americans. The camera pans back to reveal more and more people until it reaches the literal railroad’s actual “conductors” in uniform.In a voiceover, one man says, “Who built all this?,” and another responds, “Well, who builds anything in this country?”“The Underground Railroad” stars Thuso Mbedu as Cora, Chase W.