Steven Yeun
Mark Grayson / Invincible (voice)
Sandra Oh
Debbie Grayson (voice)
J.K. Simmons
Nolan Grayson / Omni-Man (voice)
Grey DeLisle
Shrinking Rae / Monster Girl / GDA Tech (voice)
Walton Goggins
Cecil (voice)
Gillian Jacobs
Eve (voice)
Jason Mantzoukas
Rex (voice)
Chris Diamantopoulos
Donald (voice)
Zazie Beetz
Amber (voice)
Khary Payton
Black Samson (voice)
Ross Marquand
Immortal / Rudy (voice)
Andrew Rannells
William (voice)
Zachary Quinto
Robot (voice)
Melise
Dupli-Kate (voice)
Dan Navarro
Additional Voices (voice)
Nyima Funk
Additional Voices (voice)
Kevin Michael Richardson
Mauler 1 / Mauler 2 (voice)
Jay Pharoah
Bulletproof (voice)
Fred Tatasciore
Adam / Fireman #2 (voice)
Seth Rogen
Allen (voice)
Sterling K. Brown
Angstrom Levy (voice)
Ben Schwartz
Shapesmith (voice)
Clancy Brown
General Kregg (voice)
Cliff Curtis
Paul (voice)
Christian Convery
Oliver (voice)
Mark Hamill
Art (voice)
Luke Macfarlane
Rick (voice)
Gary Anthony Williams
News Anchor (voice)
Cleveland Berto
Darkwing (voice)
Calista Flockhart
April (voice)
Kari Wahlgren
Female Thraxan / GDA Agent / Announcer (voice)
Eric Bauza
DA Sinclair (voice)
Scoot McNairy
King Lizard (voice)
Reginald VelJohnson
Principal/Dean Winslow (voice)
Simu Liu
Multi-Paul (voice)
Michael Dorn
Battle Beast (voice)
Jon Hamm
Steve (voice)
Mahershala Ali
Titan (voice)
Max Burkholder
Matt (voice)
Tatiana Maslany
Aquaria / Forewoman (voice)
