Mr. Harris (voice) (as Ed Asner)
Miles' Mom (voice)
Randy (voice)
Martin at Age 12 (voice)
Martin at Age 26 (voice) (as Levar Burton)
Maria (voice)
Train Conductor (voice)
Mrs. Peck (voice)
Turner (voice)
Daddy King (voice)
Mrs. Dale (voice)
Mr. Willis (voice)
Martin at Age 34 (voice) (as Dexter Scott King)
Christine King (voice)
Kyle (voice)
Miles (voice)
Mrs. Clark (voice)
Kyle's Dad (voice)
Martin at Age 15 (voice)
Sam Dale (voice)
Coretta Scott King (voice)
Bull Connor / Chihuahua (voice)
Reporter #1 / Demonstrator (voice)
Reporter #2 / Demonstrator (voice)
Man / Demonstrator (voice)
Old Woman / Demonstrator (voice)
(voice)
Self - consoles Coretta King (archive footage) (uncredited)
Self (archive footage) (uncredited)
Self - pallbearer (archive footage) (uncredited)
Self - at King's funeral (archive footage) (uncredited)
Self - on steps of Lincoln Memorial (archive footage) (uncredited)