| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Bruce Timm | Crew | Production | Producer, Creator | 26 |
 Sam Liu | Crew | Directing | Director | 14 |
 Sam Register | Crew | Production | Producer | 26 |
 Rick Morales | Crew | Directing | Director | 13 |
 Brian George | Cast | Actor | LANOS / Appa Ali Apsa (voice) | 1 |
 Clancy Brown | Cast | Actor | Zartok (voice) | 2 |
 Corey Burton | Cast | Actor | Cleric Loran (voice) | 1 |
 Dee Bradley Baker | Cast | Actor | Larfleeze (voice) | 1 |
 Diedrich Bader | Cast | Actor | Guy Gardner (voice) | 3 |
 Grey DeLisle | Cast | Actress | Aya (voice) | 26 |
 Ian Abercrombie | Cast | Actor | Ganthet (voice) | 5 |
 Jason Spisak | Cast | Actor | Razer (voice) | 26 |
 Jeff Bennett | Cast | Actor | Tomar-Re (voice) | 2 |
 Jennifer Hale | Cast | Actress | Carol Ferris / Star Sapphire / Princess Gi'ata (voice) | 1 |
 John DiMaggio | Cast | Actor | Kothak (voice) | 2 |
 Jonathan Adams | Cast | Actor | Atrocitus (voice) | 5 |
 Josh Keaton | Cast | Actor | Green Lantern / Hal Jordan (voice) | 26 |
 Juliet Landau | Cast | Actress | Drusa (voice) | 3 |
 Kevin Michael Richardson | Cast | Actor | Kilowog (voice) | 26 |
 Kurtwood Smith | Cast | Actor | Shyir Rev (voice) | 2 |
 Phil Morris | Cast | Actor | Saint Walker (voice) | 4 |
 Rob Paulsen | Cast | Actor | Goggan / Bumpy (voice) | 1 |
 Robert Englund | Cast | Actor | Myglom (voice) | 1 |
 Robin Atkin Downes | Cast | Actor | Gil Broome / Steam Lantern (voice) | 1 |
 Ron Perlman | Cast | Actor | Sinestro (voice) | 1 |
 Sarah Douglas | Cast | Actress | Scar (voice) | 2 |
 Susanne Blakeslee | Cast | Actress | Sayd (voice) | 6 |
 Tara Strong | Cast | Actress | Iolande (voice) | 2 |
 Tom Kenny | Cast | Actor | Zilius Zox / The Anti-Monitor (voice) | 1 |
 Vanessa Marshall | Cast | Actress | Galia (voice) | 2 |
 Wayne Knight | Cast | Actor | Captain Goray (voice) | 1 |
 Will Friedle | Cast | Actor | Prince Ragnar (voice) | 2 |
| Person | Type | Job | Role(s) | Episodes |
