Guest Stars Sasha Compere as Juanita Abernathy Lennie James as Martin Luther King Sr. Donal Logue as Strom Thurmond Griffin Matthews as Bayard Rustin Elle Lorraine as Sister Grace Millie Capellan as Jo Ann Robinson Xavier Mills as Hinton Co Starring William Gregory Lee as NYPD Commish Walter Arm Jerry O'Donnell as Inspector Robert Magnum Jay DeVon Johnson as E.D. Nixon David Dwyer as Mayor Tacky Gayle Lee Spencer as Senator John Sparkman Danny Vinson as Chief Sellers Moses Jones as Fred Gray Charles Ambrose as Luther Ingalls Derono Monte Muhammad as Wendall