Claim: Cress Williams plays the lead role in superhero TV series Black Lightning and has made cameos as the character on "The Flash" and "Legends of Tomorrow".
Evidence: His most recent roles include Mayor Lavon Hayes on The CW series Hart of Dixie and the title character on The CW's Black Lightning. The Flash Legends of Tomorrow Jefferson Pierce / Black Lightning Black Lightning is an American superhero drama television series, developed by Salim Akil, that premiered on The CW on January 16, 2018.