Mark Grayson / Invincible (voice)
Debbie Grayson (voice)
Nolan Grayson / Omni-Man (voice)
Eve (voice) / Eve / College Girl (voice)
Cecil (voice)
Shrinking Rae / Monster Girl / Olga (voice) / Shrinking Rae / Monster Girl / GDA Tech (voice)
Donald (voice) / Donald / Doc Seismic (voice)
Immortal / Rudy (voice) / Rudy (voice)
Rex (voice) / Rex / Zombie #2 (voice)
Black Samson (voice) / Kyle (voice)
Additional Voices (voice) / Hazmat Responder / Additional Voices (voice)
Additional Voices (voice) / Guard / Additional Voices (voice)
Additional Voices (voice) / Bridget / Additional Voices (voice)
Additional Voices (voice) / Fishmonger / Additional Voices (voice)
Amber (voice)
William (voice) / Everest Climber (voice)
Robot (voice) / Robot / Robot Life Pod (voice)
Dupli-Kate (voice) / Dupli-Kate / GDA Agent (voice)
Bulletproof (voice) / Bulletproof / Komodo Dragon / Soldier (voice)
Allen (voice)
Mauler 1 / Mauler 2 (voice) / Mauler 1 / Mauler 2 / Monster (voice)
The Giant (voice) / The Giant / GDA Agent #1 / Superhero (voice)
General Kregg (voice) / Damien Darkblood (voice)
Oliver (voice) / Oliver / Young Omni Man (voice)
