Lakeith Stanfield Bill O'Neal Daniel Kaluuya Fred Hampton Jesse Plemons Roy Mitchell Dominique Fishback Deborah Johnson Ashton Sanders Jimmy Palmer Algee Smith Jake Winters Darrell Britt-Gibson Bobby Rush Lil Rel Howery Wayne Dominique Thorne Judy Harmon Martin Sheen J. Edgar Hoover Amari Cheatom Collins Caleb Eberhardt Bob Lee Robert Longstreet Leslie Carlyle Nick Fink Fesperman Nicholas Velez José Cha Cha Jiménez Terayle Hill George Sams Graham Lutes Alex James Udom Compton John West Jr. Black Panther Soldier B (uncredited) Jermaine Fowler Mark Clark (uncredited)