출연진
에드워드 애스너
Mr. Harris (voice) (as Ed Asner)
안젤라 바셋
Miles' Mom (voice)
Lucas Black
Randy (voice)
Theodore Borders
Martin at Age 12 (voice)
LeVar Burton
Martin at Age 26 (voice) (as Levar Burton)
Jessica Garcia
Maria (voice)
대니 글로버
Train Conductor (voice)
우피 골드버그
Mrs. Peck (voice)
사무엘 L. 잭슨
Turner (voice)
제임스 얼 존스
Daddy King (voice)
애슐리 저드
Mrs. Dale (voice)
리처드 카인드
Mr. Willis (voice)
존 트래볼타
Kyle's Dad (voice)
Jaleel White
Martin at Age 15 (voice)
수잔 서랜든
Mrs. Clark (voice)
오프라 윈프리
Coretta Scott King (voice)
프랭크 웰커
Bull Connor / Chihuahua (voice)
Yolanda King
Christine King (voice)
Dexter King
Martin - Age 34 (voice) (as Dexter Scott King)
Zachary Leigh
Kyle (voice)
Robert Ri'chard
Miles (voice)