Harry Lennix

as General Calvin Swanwick / Martian Manhunter

as Frederick Douglas

as Joe Adams

as Nathan Wright

as Nate

as Army Sergeant

as Commander Lock

as Black Manta (voice)

as Det. Donald Bell

as Commander Lock

as Bill Walker

as General Swanwick

as John Henry Giles • 1 eps

as James Brooks • 1 eps

as Greg Fischer • 6 eps

as Walid Al-Rezani • 5 eps

as Frank Sacker • 8 eps

as Asst. Attorney General Parker • 2 eps

as Harold Cooper • 218 eps

as Boyd Langton • 25 eps

as Marcus Walker • 3 eps

as Agent Ron Wagner • 6 eps

as Harold Cooper • 1 eps

as Ballard • 1 eps

as Swanwick

as Commander Lock

as General Swanwick

as General Calvin Swanwick / Martian Manhunter

as Commander Lock

as Det. Donald Bell

as Joe Adams

as FBI Agent Dray

as Nate

as Johnny's Field Soldier

as Black Manta (voice)

as Army Sergeant

as Walid Al-Rezani • 5 eps

as John Henry Giles • 1 eps

as Harold Cooper • 218 eps

as James Brooks • 1 eps

as Greg Fischer • 6 eps

as Frank Sacker • 8 eps

as Asst. Attorney General Parker • 2 eps

as Agent Ron Wagner • 6 eps

as Earl • 1 eps

as Marcus Walker • 3 eps

as Boyd Langton • 25 eps

as David Bronson • 1 eps

Writer

as General Dregg (voice)

as Russell Banks

as Banquo

as Eddie

as Mr. Denver

as Frank

as General Calvin Swanwick / Martian Manhunter

as Ron Waters

as Sufyan

as Frederick Douglas

as Davidson Livingston

as Russell Young (voice) • 12 eps

as James Brooks • 1 eps

as Harold Cooper • 1 eps

as Marcus Walker • 3 eps

as Frank Sacker • 8 eps

as Harold Cooper • 218 eps

as Tim Dupre • 6 eps

as Agent Bossy • 1 eps

as Boyd Langton • 25 eps

as Dr. Mar Londo (voice) • 1 eps

as Jim Gardner • 18 eps

as John Henry Giles • 1 eps