First introduced in March 2021, Prime Video’s “Invincible” returned for Season 3 this past February, in all its animated glory. The series boasts an A-list voiceover cast, including Steven Yeun, Sandra Oh, J.K. Simmons, Mark Hamill, and Gillian Jacobs. Created by Robert Kirkman, the adult animated superhero show is based on the Image Comics series that Kirkman, Cory Walker, and Ryan Ottley developed. While it received the green light for its second and third season upon its Season 1 finale, Amazon recently revealed that the show will return for Season 4, tentatively in 2026.
MovieWeb confirmed production is already well underway, adding that Kirkman said he’s less than halfway through the story laid out in the comic books, meaning “Invincible” could last anywhere from seven to 10 seasons. If you’re hoping to land a role on the upcoming season, let this be your go-to guide for casting advice.
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Mark Grayson (Yeun) appears to be your average teenager, and his mom, Debbie (Oh), seems like your run-of-the-mill real estate agent. Of course, there’s more to the story: Mark’s father, Nolan (Simmons), just so happens to be Omni-Man, aka the most powerful superhero on the planet, and a successful travel writer. When Mark turns 17, his powers begin to develop, transforming him into the titular Invincible. With his father’s indomitable legacy hanging over his head, Mark must take on the challenges that come with balancing his personal pursuits and, you know, saving civilization.
- Steven Yeun as Mark Grayson/Invincible
- Sandra Oh as Debbie Grayson
- J.K. Simmons as Nolan Grayson/Omni-Man
- Gillian Jacobs as Eve Wilkins/Atom Eve
- Andrew Rannells as William Clockwell
- Walton Goggins as Cecil Stedman
- Zazie Beetz as Amber Bennett
- Chris Diamantopoulos as Donald Ferguson
- Ross Marquand as the Immortal/Rudy Connors
- Jason Mantzoukas as Rex Splode
- Grey Griffin as Shrinking Rae
- Jay Pharoah as Bulletproof
- Ben Schwartz as the Shapesmith
- Kevin Michael Richardson as the Mauler Twins
- Mark Hamill as Art Rosebaum
- Seth Rogen as Allen the Alien
- Clancy Brown as Damien Darkblood
- Sterling K. Brown as Angstrom Levy
- Mahershala Ali as Titan
- Michael Dorn as Battle Beast
- Aaron Paul as Powerplex
- Simu Liu as Multi-Paul
- Jeffrey Dean Morgan as Conquest
- Jonathan Banks as Brit
- Kate Mara as Becky Duvall
- Xolo Maridueña as Fightmaster/Dropkick
- John DiMaggio as the Elephant
- Tzi Ma as Mr. Liu
- Doug Bradley as the Technicians
- Christian Convery as Oliver Grayson
Linda Lamontagne (“BoJack Horseman,” “American Dad!”) is the series’ primary casting director. Check out our deep dive into how the “Family Guy” CD casts voiceover actors and what makes the perfect voiceover actor, according to Lamontagne herself.
Whether you’re new to voice acting or a seasoned professional, these dedicated guides will help expand your knowledge so you can land that dream role:
- How to Become a Voice Actor
- 11 Tips for Voice Acting Beginners
- 6 Voiceover Acting Tips, According to the Pros
With next season’s voice recording already complete, there’s bound to be a lull before “Invincible” looks to cast any new voice actors. These updated casting roundups, however, are here to save the day:
You’ll also want to bookmark our casting directory pages as they constantly update with the most recent listings available in their category:
These deep dives into the audition process will help your voice stand out above the competition:
