Answer
Topher Grace portrayed David Duke in the film BlacKkKlansman. Duke is a white supremacist and former Grand Wizard of the Ku Klux Klan. The film follows the story of Ron Stallworth, an African-American police officer who infiltrates the Klan with the help of his partner, Flip Zimmerman. Duke is portrayed as a charismatic and persuasive figure, and the film explores his appeal to white supremacists.