 Greg CipesBeast Boy (voice) | Beast Boy (voice) |
 Scott MenvilleRobin (voice) | Robin (voice) |
 Khary PaytonCyborg (voice) | Cyborg (voice) |
 Tara StrongRaven (voice) | Raven (voice) |
 Hynden WalchStarfire (voice) | Starfire (voice) |
 Will ArnettSlade (voice) | Slade (voice) |
 Kristen BellJade Wilson (voice) | Jade Wilson (voice) |
 Eric BauzaAquaman / Stan Lee's Assistant (voice) | Aquaman / Stan Lee's Assistant (voice) |
| KKal-El CageYoung Bruce Wayne (voice) | Young Bruce Wayne (voice) |
 Nicolas CageSuperman (voice) | Superman (voice) |
 Joey CappsPlastic Man (voice) | Plastic Man (voice) |
 Greg DaviesBalloon Man (voice) | Balloon Man (voice) |
 John DiMaggioGuard / Synth Skate Voice (voice) | Guard / Synth Skate Voice (voice) |
 HalseyWonder Woman (voice) | Wonder Woman (voice) |
 David KayeTrailer Voice / Announcer inside Premiere (voice) | Trailer Voice / Announcer inside Premiere (voice) |
 Tom KennyMachine Voice (voice) | Machine Voice (voice) |
 Jimmy KimmelBatman (voice) | Batman (voice) |
 Stan LeeStan Lee (voice) | Stan Lee (voice) |
 Vanessa MarshallVault Voice (voice) | Vault Voice (voice) |
 Phil MorrisRed Carpet Announcer / Doomsday Device (voice) | Red Carpet Announcer / Doomsday Device (voice) |
 Patton OswaltAtom (voice) | Atom (voice) |
 Alexander PolinskyControl Freak (voice) | Control Freak (voice) |
 Meredith SalengerSupergirl (voice) | Supergirl (voice) |
| DDave StoneChallengers of the Unknown (voice) | Challengers of the Unknown (voice) |
 Fred TatascioreJor-El / Security Guard (voice) | Jor-El / Security Guard (voice) |
 James Arnold TaylorFake Slade Actor (voice) | Fake Slade Actor (voice) |
 Lil YachtyGreen Lantern (voice) | Green Lantern (voice) |
 Wil WheatonFlash (voice) | Flash (voice) |
 Michael BoltonTiger | Tiger |
