IMDb talks timeliness, impact, and surprisingly funny performances with co-writers/co-directors Gerard Bush and Christopher Renz, as well as stars Janelle Monáe, Kiersey Clemons, Gabourey Sidibe, Tongayi Chirisa, Lily Cowles, Jena Malone, and Jack Huston of social message slavery thriller, ‘Antebellum’ (2020).