Steven Yeun
Mark Grayson / Invincible (voice) (16 eps)
Sandra Oh
Debbie Grayson (voice) (16 eps)
J.K. Simmons
Nolan Grayson / Omni-Man (voice) (16 eps)
Walton Goggins
Cecil Stedman (voice) (16 eps)
Grey DeLisle
Shrinking Rae / Amanda / Monster Girl / Olga (voice) (16 eps)
Zazie Beetz
Amber Bennett (voice) (15 eps)
Gillian Jacobs
Samantha Eve Wilkins / Atom Eve (voice) (14 eps)
Andrew Rannells
William Clockwell (voice) (13 eps)
Jason Mantzoukas
Rex Sloan / Rex Splode (voice) (13 eps)
Chris Diamantopoulos
Donald Ferguson (voice) (12 eps)
Khary Payton
Black Samson (voice) (11 eps)
Kevin Michael Richardson
Mauler Twins (voice) (11 eps)
Ross Marquand
The Immortal / Rudy Conners (voice) (10 eps)
Zachary Quinto
Robot (voice) (10 eps)
Melise
Kate Cha / Dupli-Kate (voice) (10 eps)
Robert Kesselman
Additional Voices (voice) (8 eps)
Dan Navarro
Additional Voices (voice) (8 eps)
Nyima Funk
Additional Voices (voice) (8 eps)
Fred Tatasciore
Adam / Supreme Lizard (voice) (8 eps)
Seth Rogen
Allen the Alien (voice) (7 eps)
Clancy Brown
General Kregg (voice) (7 eps)
Jay Pharoah
Bulletproof (voice) (7 eps)
Mark Hamill
Art Rosenbaum (voice) (5 eps)
Sterling K. Brown
Angstrom Levy (voice) (5 eps)
Ben Schwartz
Shapesmith / Rus / Punk Thug (voice) (4 eps)
Cliff Curtis
Paul (voice) (3 eps)
Scoot McNairy
King Lizard (voice) (3 eps)
Gary Anthony Williams
Reporter (voice) (3 eps)
Reginald VelJohnson
Principal/Dean Winslow (voice) (3 eps)
Calista Flockhart
April (voice) (3 eps)
Jon Hamm
Steve (voice) (2 eps)
Mahershala Ali
Titan (voice) (2 eps)
Max Burkholder
Matt (voice) (2 eps)
Tatiana Maslany
Aquaria / Forewoman (voice) (2 eps)
Peter Cullen
Thadeus (voice) (2 eps)
Rhea Seehorn
Andressa (voice) (2 eps)
Kari Wahlgren
Mrs. Farnsley / Caitlin / Denise (voice) (2 eps)
Rob Delaney
Nuolzot / Séance Dog (voice) (2 eps)
Zehra Fazal
Astronaut #2 / Young Wife (voice) (2 eps)
Lincoln Bodin
Oliver (voice) (2 eps)
Luke Macfarlane
Rick (voice) (2 eps)
Eric Bauza
Viltrumite / Alien Guard / Neighbor (voice) (2 eps)
Micah Aliling
Louise's Daughter (voice) (1 eps)
Cleveland Berto
Darkwing / Husband / Royal Guard #1 (voice) (1 eps)
Jonathan Groff
Rick Sheridan (voice) (1 eps)
Daveed Diggs
Theo / Council Member #2 (voice) (1 eps)
Lea Thompson
Carol (voice) (1 eps)
Paul F. Tompkins
Narrator (voice) (1 eps)
Phil LaMarr
Lucan (voice) (1 eps)
Lauren Cohan
Holly / War Woman (voice) (1 eps)
Chad L. Coleman
Martian Man (voice) (1 eps)
Michael Cudlitz
Josef / Red Rush (voice) (1 eps)
Lennie James
Darkwing (voice) (1 eps)
Sonequa Martin-Green
Alana / Green Ghost (voice) (1 eps)
Sean Patrick Thomas
Guard #2 (voice) (1 eps)
Mae Whitman
Connie / Model (voice) (1 eps)
Djimon Hounsou
Martian Emperor (voice) (1 eps)
Jeffrey Donovan
Machine Head (voice) (1 eps)
Nicole Byer
Vanessa / Fiona (voice) (1 eps)
Michael Dorn
Thokk / Battle Beast (voice) (1 eps)
Justin Roiland
Doug Cheston / Punk Kid (voice) (1 eps)
Ezra Miller
DA Sinclair (voice) (1 eps)
Tim Robinson
Filip Schaff (voice) (1 eps)
Shantel VanSanten
Anissa (voice) (1 eps)
Chloe Bennet
Riley (voice) (1 eps)
Camden Coley
Angstrom Jr. (voice) (1 eps)
Josh Keaton
Agent Spider / Jogger (voice) (1 eps)
Ella Purnell
Jane (voice) (1 eps)