Guest Stars Sasha Compere as Juanita Abernathy Lennie James as Martin Luther King Sr. LisaGay Hamilton as Alberta King Quentin Plair as Grant X John C. McGinley as President Lyndon B. Johnson Parisa Fitz-Henley as Louise Little Ja'Quan Monroe-Henderson as John Lewis Gilbert Glenn Brown as Don Hogan Charles Co Starring Kael Alford Copeland as MLK III Amani Summer as Attallah Shabazz Anwar Ali as Andrew Young Ryan Bernales as Presidential Aide Samuel Lee Fudge as Robert Walker Bossbaby Ky'Zen as Dexter King Donavan Darius as Jim Clark Keith Holliday as Hosea Williams Scott Gerard as Senior FBI Agent Derek McDonnell as Junior FBI Agent Zerrick Williams as Suspicious Man Tracy Mazyck as FOI Guard Marcus Samuel as Echol Cole Cindy L. Jefferson as Caring Neighbor