Isaiah Bradley
Sam Yarbrough
Willie
Isaiah Bradley (archive footage)
Dick Halloran
Miles Davis (voice)
Mr. Wilson
Silas Stone (voice)
Dr. Weiss
J'onn J'onzz / Martian Manhunter / Ma'alefa'ak (voice)
Dr. Ellis Parks
Samuel Nujoma
Other Voices (voice)
J'onn J'onzz (voice)
Narrator
J'onn J'onzz / Martian Manhunter (voice)
Nat Turner - Gray
The Father
J.M. Hoagland
J'onn J'onzz / Martian Manhunter (voice)
Mac Brashear
Bud Penniman
Ron Dellums
Detective Mollo
Judge Spencer Boyle
Lute McNeil
Additional Voices (voice)
John Horse
Donald Thornton
Nightjohn
Cal (segment "The Boy Who Painted Christ Black")
Marcus Petrie
Floyd Ween
Addison
Charlie Walker
Mambulu
Junior
Lieutenant Lou Baker
Narvel Blue
Bobby Seale
Quirke
Bork
Keshah
Rev. Lowell
Inmate
