Kevin Michael Richardson
plays Nabu / Daddy Lidz / Floyd (voice) (1 episode) , Martian Manhunter / Vykin / 'Ugly' Manheim (voice) (1 episode) , Mal Duncan (voice) (1 episode) , Blackbriar Thorn / Nobu (voice) (1 episode) , Martian Manhunter / David Reid / Green Lantern (voice) (1 episode) , Green Lantern / Martian Manhunter (voice) (1 episode) , Mal Duncan / Jim Daniels (voice) (1 episode) , Martian Manhunter / Nabu / John Stewart (voice) (1 episode) , Mal Duncan / Martian Manhunter / Thomas Kalmaku (voice) (1 episode) , Guardian / John Jones (voice) (1 episode) , Guardian / Green Lantern / Martian Manhunter (voice) (1 episode) , Green Lantern Kilowog / Vykin / nabu (voice) (1 episode) , Martian Manhunter / Nabu (voice) (1 episode) , Martian Manhunter / Paul Sloan / Lead Singer (voice) (1 episode) , Bruno Manheim / Mal Duncan (voice) (1 episode) , John Jones / Mal Duncan (voice) (1 episode) , Mal Duncan / Green Lantern / Martian Manhunter (voice) (1 episode) , Mal Duncan / Otis (voice) (1 episode) , Malcom Duncan (voice) (1 episode) , Tom Bender / Paul Sloane / Conner Manley / Klamulon Cmdr (voice) (1 episode) , Nabu / Der'Chow / Charlie Daggett (voice) (1 episode) , Nabu / Charlie Daggett (voice) (1 episode) , Vykin / Green Lantern Kilowog (voice) (2 episodes) , Nabu (voice) (4 episodes) , Martian Manhunter (voice) (6 episodes)