Last Updated: March 7, 2026 鈥?Officially confirmed cast
Invincible Season 4 Cast
Full Voice Actor List, New Characters & Season 4 Character Guide
Invincible Season 4 features the return of the full main voice cast alongside three major new additions. Lee Pace joins as Thragg, Danai Gurira as Universa, and Matthew Rhys as Dinosaurus 鈥?all confirmed at official Prime Video announcements. The season premieres March 18, 2026 on Prime Video.
New Characters in Invincible Season 4
Three major new voice actors confirmed for Season 4 鈥?all announced officially by Amazon MGM Studios
Lee Pace
New 鈫?ThraggGrand Regent Thragg 路 Primary Antagonist
Lee Pace voices Thragg, the Grand Regent of the Viltrumite Empire and the most powerful Viltrumite alive. Widely considered the defining villain of Robert Kirkman's comic series, Thragg's presence in Season 4 marks a major escalation in the show's stakes. Pace is best known for playing Ronan the Accuser in Guardians of the Galaxy and Joe MacMillan in Halt and Catch Fire. His casting was officially confirmed at the Prime Video / Amazon MGM Studios panel.
Danai Gurira
New 鈫?UniversaUniversa 路 Viltrumite Warrior
Danai Gurira joins the Invincible Season 4 cast as Universa, a powerful Viltrumite warrior whose arrival significantly raises the threat level in the season. Gurira is one of the most recognisable faces in genre entertainment, best known as Michonne in The Walking Dead and Okoye in Black Panther and Avengers: Endgame. Her casting brings major recognition to the Season 4 cast announcement.
Matthew Rhys
New 鈫?DinosaurusDinosaurus 路 Eco-Extremist Villain
Matthew Rhys voices Dinosaurus, an eco-extremist villain with the ability to transform into a massive dinosaur. In the comics, Dinosaurus is a morally complex character who believes radical action is the only way to save humanity from itself 鈥?making him one of the more philosophically interesting antagonists Invincible faces. Rhys is the Emmy Award-winning star of The Americans, where he played a KGB spy embedded in the US for years.
| Actor | Character |
|---|---|
| Lee Pace | Thragg |
| Danai Gurira | Universa |
| Matthew Rhys | Dinosaurus |
Returning Cast in Invincible Season 4
The full main cast from previous seasons returns for the Viltrumite War arc
Steven Yeun
Mark Grayson / Invincible
Lead protagonist. Known for The Walking Dead and the Oscar-nominated film Minari.
J.K. Simmons
Nolan Grayson / Omni-Man
Oscar winner. Known for Whiplash, Spider-Man films, and Oz.
Sandra Oh
Debbie Grayson
Known for Grey's Anatomy, Killing Eve, and The Chair.
Gillian Jacobs
Atom Eve
Known for Community and Love on Netflix.
Walton Goggins
Cecil Stedman
Known for The Shield, Justified, and Amazon's Fallout.
Seth Rogen
Allen the Alien
Known for Superbad, Pineapple Express, and as a producer on this series.
Jason Mantzoukas
Rex Splode
Known for Brooklyn Nine-Nine, The League, and Big Mouth.
Zazie Beetz
Amber Bennett
Known for Atlanta, Deadpool 2, and Joker.
Christian Convery
Oliver Grayson
Known for Cocaine Bear and Sweet Tooth on Netflix.
Jeffrey Dean Morgan
Conquest
Known for The Walking Dead (Negan) and Watchmen. Major role in Season 4.
Shantel VanSanten
Anissa
Known for The Flash and Boys on Amazon. Returns as a key Viltrumite character.
Ross Marquand
The Immortal / Robot
Known for The Walking Dead. Voices two major characters in the series.
| Actor | Character |
|---|---|
| Steven Yeun | Mark Grayson / Invincible |
| J.K. Simmons | Omni-Man |
| Sandra Oh | Debbie Grayson |
| Gillian Jacobs | Atom Eve |
| Walton Goggins | Cecil Stedman |
| Seth Rogen | Allen the Alien |
| Jason Mantzoukas | Rex Splode |
| Zazie Beetz | Amber Bennett |
| Christian Convery | Oliver Grayson |
| Jeffrey Dean Morgan | Conquest |
| Shantel VanSanten | Anissa |
| Ross Marquand | The Immortal / Robot |
Frequently Asked Questions
Common questions about the Invincible Season 4 voice cast
Lee Pace voices Thragg in Invincible Season 4. Pace is best known for playing Ronan the Accuser in the MCU's Guardians of the Galaxy. Thragg is the Grand Regent of the Viltrumite Empire and the season's primary antagonist. His casting was officially confirmed at the Amazon Prime Video promotional event in early 2026.
Yes. Steven Yeun is confirmed to return as Mark Grayson / Invincible in Season 4. Yeun has been the lead voice actor of the series since Season 1 and is officially confirmed for the new season.
Matthew Rhys voices Dinosaurus. Rhys is an Emmy Award-winning actor best known for his lead performance in The Americans as KGB spy Phillip Jennings. In the comics, Dinosaurus is a morally complex eco-extremist who can transform into a massive dinosaur.
Danai Gurira voices Universa. Gurira is one of the most recognisable actors in genre entertainment, known as Michonne in The Walking Dead and Okoye in the Black Panther franchise and Avengers: Endgame.
Yes. J.K. Simmons is officially confirmed to return as Nolan Grayson / Omni-Man. Simmons is an Oscar winner known for Whiplash and the Spider-Man films. Omni-Man's relationship with Mark continues to be one of the show's most complex dynamics.
The primary antagonist is Thragg (voiced by Lee Pace), the Grand Regent of the Viltrumite Empire and considered the most powerful Viltrumite alive. Additionally, Dinosaurus (Matthew Rhys) and Universa (Danai Gurira) serve as major new threats in the season, alongside the returning Conquest (Jeffrey Dean Morgan).