Steven Yeun

Mark Grayson / Invincible (voice)

32 eps

Sandra Oh

Debbie Grayson (voice)

32 eps

J.K. Simmons

Nolan Grayson / Omni-Man (voice)

32 eps

Gillian Jacobs

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

26 eps

Walton Goggins

Cecil (voice)

25 eps

Grey DeLisle

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

25 eps

Chris Diamantopoulos

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

23 eps

Jason Mantzoukas

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

20 eps

Ross Marquand

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

20 eps

Khary Payton

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

18 eps