| Josh Keaton | Hal Jordan / Green Lantern / Manhunters | |
| Kevin Michael Richardson | Kilowog / Mogo / Computer Voice | |
| Jason Spisak | Razer / Veon | |
| Grey Griffin | Aya / Bleez / Queen Aga'po | |
| Brian George | Appa Ali Apsa / LANOS / Brother Warth | |
| Tom Kenny | Zilius Zox / Salaak / The Anti-Monitor | |
| Jonathan Adams | Atrocitus | |
| Susanne Blakeslee | Sayd | |
| Jennifer Hale | Carol Ferris / Princess Gi'ata / Star Sapphire | |
| Ian Abercrombie | Ganthet, dedicated to the memory of | |
| Sarah Douglas | Science Director / Scar, Scar | |
| Phil Morris | Saint Walker | |
| Diedrich Bader | Guy Gardner | |
| Jeff Bennett | Tomar-Re / Duke Nigel Fortenberry | |
| Juliet Landau | Drusa | |
| Clancy Brown | Zartok | |
| Corey Burton | Leph / Yarley / Cleric Loran | |
| John DiMaggio | Kothak | |
| Vanessa Marshall | Galia | |
| Will Friedle | Prince Ragnar | |
| Rob Paulsen | Goggan / Bumpy | |
| Tara Strong | Iolande | |
| Kurtwood Smith | Shyir Rev | |
| Dee Bradley Baker | Larfleeze | |
| Wayne Knight | Captain Goray | |
| Robin Atkin Downes | Gil Broome / Steam Lantern | |
| Ron Perlman | Sinestro | |
| Robert Englund | Myglom |
