Actors Corey Hawkins and Topher Grace have joined the cast of director Spike Lee's upcoming movie 'Black Klansman'. The film stars actor John David Washington as Ron Stallworth, a black police officer who infiltrated the Colorado Springs chapter of the Ku Klux Klan in 1978. According to The Tracking Board, Hawkins will play civil rights activist Stokely Carmichael while Grace will play a yet-to-be-named white supremacist. In addition to helming the film, Lee is also co-producing 'Black Klansman' alongside 'Get Out' director Jordan Peele.