Carl Lumbly

as Sam Yarbrough

as Isaiah Bradley

as Willie

as Isaiah Bradley (archive footage)

as Self

as Dick Halloran

as Miles Davis (voice)

as Mr. Wilson

as Rodrigo

as Silas Stone (voice)

as Dr. Weiss

as Martian Manhunter (voice)

as Uncle S'Yan

as Ray Cowan

as Dr. Ellis Parks

as Samuel Nujoma

as Other Voices (voice)

as J'onn J'onzz (voice)

as Narrator

as J'onn J'onzz / Martian Manhunter (voice)

as Nat Turner - Gray

as The Father

as J.M. Hoagland

as James Langdon • 6 eps

as C. Auguste Dupin • 8 eps

as Isaiah Bradley • 3 eps

as Alphonse • 2 eps

as Lukas Imani • 2 eps

as Walter Dion Burkes • 1 eps

as Saint • 3 eps

as Abe Clarke • 2 eps

as Lead Prison Guard / Vampire Bat (voice) • 1 eps

as Myr'nn J'onzz • 15 eps

as Delavenne • 6 eps

as Dr. Henry Carter • 1 eps

as Pastor Leon Wright • 5 eps

as M'aatt M'orzz (voice) • 3 eps

as Uncle S'Yan (voice) • 6 eps

as Charles Langston • 4 eps

as Tornado Champion / Tornado Tyrant (voice) • 1 eps

as Ty Bennett • 1 eps

as Kurt Walling • 1 eps

as Lt. Danny 'Bulldog' Novacek • 1 eps

as J'onn J'onzz (voice) • 39 eps

as Cordell Baker (2008) • 1 eps

as Beau Hindley • 1 eps

as J'onn J'onzz (voice) • 50 eps