Steven Yeun

Mark Grayson / Invincible (voice)

Sandra Oh

Debbie Grayson (voice)

J.K. Simmons

Nolan Grayson / Omni-Man (voice)

Gillian Jacobs

Eve (voice), Eve / College Girl (voice)

Walton Goggins

Cecil (voice)

Grey DeLisle

Monster Girl / Shrinking Rae (voice), Monster Girl / GDA Agent / Assistant (voice), Monster Girl / Thula / Woman (voice), Daphne / Coalition Representative (voice), Amanda / Shrinking Rae / Betsy (voice), Olga (voice), Monster Girl / Helga / Nurse (voice), Betsy / Shrinking Rae (voice), Amanda / Dinosaur #3 / GDA Trooper (voice), News Anchor (voice), Olga / Monster Girl / Shrinking Rae (voice), Amanda / Betsy (voice), Shrinking Rae / Monster Girl / Olga (voice), Amanda / Shrinking Rae (voice), Amanda / Betsy / Daphne (voice), Amanda / Daphne / Female Security (voice), Shrinking Rae / Monster Girl / Betsy (voice), Shrinking Rae (voice), Shrinking Rae / Betsy / Woman (voice), Monster Girl / Betsy (voice), Shrinking Rae / Monster Girl / GDA Tech (voice), Thula (voice), Amanda / Shrinking Rae / Shriveled Woman (voice), Amanda / Shrinking Rae / Cop (voice)

Chris Diamantopoulos

Donald / GDA Researcher #2 / Tech Trooper (voice), Pete / Donald / Todd (voice), Donald / Royal Guard (voice), Donald / Male Worker (voice), Donald (voice), Isotope (voice), Donald / Jerry (voice), Donald / Villain (voice), Donald / Isotope (voice), Donald / Doc Seismic (voice), Donald / GDA Med Tech (voice), Isotope / Guard / Bodega Owner (voice), Donald / Fireman #1 / Worker (voice), Donald / Vidor / Thraxan Crew (voice), Donald / Force Fist / Professor / Muscles (voice)

Ross Marquand

Immortal / Rudy / Kursk (voice), Immortal / Rudy / Omnipotus (voice), Immortal / Rudy / Proprietor (voice), Immortal / Rudy (voice), Rex / Robot (voice), Immortal / Rudy / Three-Eyes (voice), Rudy (voice), Rex (voice), Immortal (voice), Additional Voices (voice), Immortal / Aquarus / Bi-Plane / Kursk (voice), Alien Captain / Coalition Representative (voice)

Jason Mantzoukas

Rex / Zombie #2 (voice), Rex (voice)

Khary Payton

Black Samson (voice), Black Samson / Martian (voice), Astronaut #1 (voice), Black Samson / Kyle (voice), Black Samson / Fighter Pilot (voice), Black Samson / Martian Leader (voice), Kyle (voice), Coalition Representative (voice), Black Samson / Astronaut (voice)

Dan Navarro

Hazmat Responder / Additional Voices (voice), Additional Voices (voice)

Ami Shukla

Additional Voices (voice), Guard / Additional Voices (voice)

Nyima Funk

GDA Agent #2 / Additional Voices (voice), Additional Voices (voice), Bridget / Additional Voices (voice)

Bobby Kesselman

Additional Voices (voice), Fishmonger / Additional Voices (voice)

Zazie Beetz

Amber (voice)

Zachary Quinto

Robot (voice), Robot / Dinosaur #1 / Zombie #4 (voice), Robot / Robot Life Pod (voice)

Andrew Rannells

William (voice), William / GDA Agents (voice), Everest Climber (voice)

Melise

Dupli-Kate / GDA Agent (voice), Dupli-Kate / Iguana (voice), Dupli-Kate / GDA Agent #1 (voice), Dupli-Kate / Lucinda (voice), Dupli-Kate / GDA Agents (voice), Dupli-Kate / Zombie #3 (voice), Dupli-Kate (voice), Dupli-Kate / Wife (voice), Kate (voice)

Jay Pharoah

Bulletproof / Dinosaur #2 / Zombie #1 (voice), Bulletproof / Komodo Dragon / Soldier (voice), Bulletproof / GDA Agents (voice), Data 1 (voice), Bulletproof / Komodo Dragon / Sergeant (voice), Data Twin #1 / Cute Guy / Council Member #1 (voice), Data Twin #1 / Viltrumites (voice), Bulletproof (voice)

Seth Rogen

Allen (voice)

Kevin Michael Richardson

Monster Girl (voice), The Maulers (voice), Mauler 1 / Mauler 2 / Random Maulers / Monster (voice), Flaxan Leader / GDA Doctor (voice), Monster / Tech Trooper #1 (voice), Mauler 1 / Mauler 2 / Monster (voice), Monster / GDA Agents (voice), Mauler / King Mauler (voice), Mauler 1 / Mauler 2 (voice), Monster / Male Thraxan (voice)

Fred Tatasciore

Adam / Nate (voice), Data 2 / Beast Leader (voice), Killcannon / Robber 1 (voice), Adam (voice), Data Twin #2 / Coalition Representative #2 (voice), Adam / Biology Professor (voice), Adam / Supreme Lizard (voice), Killcannon / Captain / Paramedic (voice), Killcannon / Adam / The Mad Scientist (voice), The Giant / GDA Agent #1 / Superhero (voice), Octoboss (voice), Ticket Seller / Data Twin #2 / Marvin (voice), Adam / Fireman #2 (voice), The Giant (voice)

Clancy Brown

Darkblood (voice), General Kregg / Ka-Hor (voice), Damien Darkblood (voice), General Kregg / Crowd / Viltrumites (voice), Ka-Hor (voice), General Kregg (voice), Damien / Ka-Har (voice), General Kragg / Viltrumites (voice), Damien Darkblood / Bryant (voice)

Christian Convery

Oliver (voice), Oliver / Young Omni Man (voice)

Cliff Curtis

Paul (voice)

Ben Schwartz

Shapesmith (voice), Shapesmith / Rus / Punk Thug (voice), Shapesmith / Rus / Corey (voice), Rus (voice), Shapesmith / Rus Livingston / Doctor (voice), Shapesmith / Rus / Tech Trooper #2 (voice)

Sterling K. Brown

Angstrom Levy / Angstrom #646 (voice), Angstrom Levy (voice)

Mark Hamill

Art (voice)

Peter Cullen

Thaedus (voice)

Luke Macfarlane

Rick (voice)

Tatiana Maslany

Telia / Viltrumites (voice), Telia / GDA Agent #1 (voice), Telia / Elia / Coalition Representative (voice), Aquaria / Forewoman (voice), Telia (voice), Telia / Elia (voice)

Gary Anthony Williams

Newscaster (voice), News Anchor (voice), Newscaster / Umpire / Scientist (voice), Reporter (voice), Space Director / TV Announcer / Graduation Announcer (voice)

Cleveland Berto

Darkwing / Husband / Royal Guard #1 (voice), Darkwing / GDA Agents (voice), Darkwing (voice), Viltrumite General (voice), Darkwing / Bolt (voice)

Eric Bauza

DA Sinclair / Leonine Delegate / Coalition Representative (voice), DA Sinclair / Magnattack / Male Security (voice), DA Sinclair (voice), Viltrumite / Alien Guard / Neighbor (voice), DA Sinclair / Doctor (voice), Executioner #1 / Alien Guard (voice)

Jeffrey Dean Morgan

Conquest (voice), Conquest / Crowd / Viltrumites (voice)

Michael Dorn

Battle Beast (voice), Thokk / Battle Beast (voice), Battle Beast / Viltrumites (voice)

Calista Flockhart

April (voice)

Kari Wahlgren

Helen / Tania (voice), Knuckle Buster (voice), Mrs. Farnsley / Caitlin / Denise (voice), Female Thraxan / GDA Agent / Announcer (voice)

Phil LaMarr

Lucan / Walking Dread (voice), Lucan (voice), Lucan / Geldarian Representative / Viltrumites (voice), Lucan / Crowd / Viltrumites (voice)

Lee Pace

Thragg (voice)

Andrew Morgado

Additional Voices (voice), Kradd (voice)

Zoey Deutch

Zoe (voice)

Scoot McNairy

King Lizard (voice)

Reginald VelJohnson

Principal Winslow (voice), Principal Winslow / Tether Tyrant / GDA Scientist (voice)

Jeffrey Donovan

Machine Head (voice)

Chloe Bennet

Riley (voice)

Simu Liu

Multi-Paul (voice)

Tzi Ma

Mr. Liu (voice), Mr. Liu / Dragon (voice)

Todd Williams

Titan (voice)

Nicole Byer

Vanessa / Bachelorette (voice), Vanessa (voice), Vanessa / Fiona (voice)

Shantel VanSanten

Anissa / Viltrumites (voice), Anissa (voice)

Jonathan Banks

Brit (voice)

Winston Duke

Space Racer (voice)

Jon Hamm

Steve (voice)

Mahershala Ali

Titan (voice)

Max Burkholder

Matt (voice)

Paul F. Tompkins

Narrator (voice)

Rhea Seehorn

Andressa (voice)

Rob Delaney

Nuolzot (voice), Nuolzot / Séance Dog (voice)

Zehra Fazal

Louise / Astronaut #2 (voice), Astronaut #2 / Young Wife (voice)

Lincoln Bodin

Oliver (voice)

Xolo Maridueña

Dropkick / Fightmaster (voice)

John DiMaggio

The Elephant (voice), Executioner #2 (voice)

Somali Rose

Fiona (voice)

Doug Bradley

The Technicians (voice)

Aaron Paul

Scott (voice), Powerplex (voice)

Bruce Campbell

Demon (voice), Satan (voice)

Scott Aukerman

Captain (voice), The Captain (voice)

Brandon Scott Jones

William (voice)

LeVar Burton

Suit AI (voice)

Bobby Moynihan

Ed (voice)

Lauren Cohan

War Woman (voice)

Micah Aliling

Louise's Daughter (voice)

Jonathan Groff

Rick Sheridan (voice)

Daveed Diggs

Theo / Council Member #2 (voice)

Lea Thompson

Carol (voice)

Chad L. Coleman

Martian Man (voice)

Michael Cudlitz

Josef / Red Rush (voice)

Lennie James

Darkwing (voice)

Sonequa Martin-Green

Alana / Green Ghost (voice)

Sean Patrick Thomas

Guard #2 (voice)

Mae Whitman

Connie / Model (voice)

Djimon Hounsou

Martian Emperor (voice)

Justin Roiland

Doug Cheston / Punk Kid (voice)

Ezra Miller

DA Sinclair (voice)

Tim Robinson

Filip Schaff (voice)

Camden Coley

Angstrom Jr. (voice)

Josh Keaton

Agent Spider / Jogger (voice)

Ella Purnell

Jane (voice)

Bokeem Woodbine

Radcliffe (voice)

Rex Diamantopoulos

Skater Boy (voice)

Jermaine Fowler

Security Officer / Young Man (voice)

Abigail Kirkman

Skater Girl (voice)

Jo Marie Payton

Warden (voice)

Nicholas Podany

Teen Boy #1 (voice)

Josh Richards

Teen Boy #2 (voice)

Patrice Covington

Barnett / Chicago Mayor (voice)

Daphne Diamantopoulos

Gretchen (voice)

Heather Gonzalez

Jessica / GDA Researcher #1 (voice)

Kate Mara

Becky (voice)

Misty Lee

Additional Voices (voice)

Danai Gurira

Universa (voice)

Christian Lanz

Burke / Engineer (voice)

Troy Baker

Male Viltrumite / Geldarian Warrior (voice)

Ellie Reine

Viltrumite Girl / Viltrumite Children (voice)

Xander Mateo

Viltrumite Boy (voice)

Courtenay Taylor

Female Viltrumite / Young Viltrumite Soldier 2 (voice)

Talon Warburton

Young Nolan / Young Viltrumite Soldier (voice)

Dee Bradley Baker

Additional Voices (voice)

Kate Mulgrew

Domina (voice)

Indira Varma

Volcanikka (voice)

Vanessa Marshall

Additional Voices (voice)

Isaac Robinson-Smith

Council Member / Additional Voices (voice)

Frank Welker

Emperor Argall / Viltrumites (voice)

Quinn Minichino Eakins

Additional Voices (voice)

Ayden Elijah

Additional Voices (voice)

Jordan Reynolds

Additional Voices (voice)

Matthew Rhys

David (voice)