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 Danny Vinson as Chief Sellers David Dwyer as Mayor Tacky Gayle Jay DeVon Johnson as E.D. Nixon William Gregory Lee as NYPD Commish Walter Arm Jerry O'Donnell as Inspector Robert Magnum Lee Spencer as Senator John Sparkman Moses Jones as Fred Gray Charles Ambrose as Luther Ingalls Derono Monte Muhammad as Wendall