Season Regulars 3

1. 

   Steven Yeun

   Mark Grayson / Invincible (voice)

2. 

   Sandra Oh

   Debbie Grayson (voice)

3. 

   J.K. Simmons

   Nolan Grayson / Omni-Man (voice)

Guest Stars 21

1. 

   Seth Rogen

   Allen the Alien (voice)

2. 

   Nyima Funk

   Additional Voices (voice)

3. Robert Kesselman

   Additional Voices (voice)

4. 

   Dan Navarro

   Additional Voices (voice)

5. Ami Shukla

   Additional Voices (voice)

6. 

   Sterling K. Brown

   Angstrom Levy (voice)

7. 

   Walton Goggins

   Cecil Stedman (voice)

8. 

   Gillian Jacobs

   Samantha Eve Wilkins / Atom Eve (voice)

9. 

   Ross Marquand

   Immortal / Rudy / Omnipotus (voice)

10. 

    Calista Flockhart

    April (voice)

11. 

    Eric Bauza

    Viltrumite / Alien Guard / Neighbor (voice)

12. 

    Chloe Bennet

    Riley (voice)

13. 

    Clancy Brown

    General Kregg / Ka-Hor (voice)

14. Camden Coley

    Angstrom Jr. (voice)

15. 

    Grey DeLisle

    Amanda / Dinosaur #3 / GDA Trooper (voice)

16. 

    Josh Keaton

    Agent Spider / Jogger (voice)

17. 

    Melise

    Dupli-Kate / Zombie #3 (voice)

18. 

    Jason Mantzoukas

    Rex / Zombie #2 (voice)

19. 

    Jay Pharoah

    Bulletproof / Dinosaur #2 / Zombie #1 (voice)

20. 

    Ella Purnell

    Jane (voice)

21. 

    Zachary Quinto

    Robot / Dinosaur #1 / Zombie #4 (voice)

Crew 2