DR. SEUSS CAST GUIDE
Meet The Cat in the Hat 2026 cast, including Bill Hader, Xochitl Gomez, Tiago Martinez, Matt Berry, Quinta Brunson, and the full voice lineup.
The Cat in the Hat 2026 brings one of Dr. Seuss’s most famous characters back to the big screen in a fully animated Warner Bros. Pictures Animation movie. Instead of repeating the 2003 live-action version, this new film reimagines the mischievous Cat for a fresh theatrical adventure filled with imagination, chaos, comedy, and a bigger animated world.
Fans are already searching for the The Cat in the Hat 2026 cast because the movie has a strong mix of comedy stars, voice actors, family-film names, and recognizable performers from television and film. Bill Hader leads the movie as the Cat, while Xochitl Gomez and Tiago Martinez voice the two children at the center of the story. The cast also includes Matt Berry, Quinta Brunson, Paula Pell, Giancarlo Esposito, America Ferrera, Bowen Yang, and Tituss Burgess.
This Cast Radar guide breaks down the confirmed voice actors, character names, where you may know the stars from, and why this animated version could become a major family movie event in 2026.
The Cat in the Hat 2026 Cast Table
The table below gives a quick look at the main The Cat in the Hat 2026 voice actors and characters. Some character names are fully listed, while a few supporting roles may be updated as Warner Bros. releases more official credits.
Main Cat in the Hat 2026 Voice Actors and Characters Explained
Bill Hader as the Cat in the Hat
Bill Hader voices the Cat in the Hat, the magical, rule-breaking, chaos-loving character at the center of the story. Hader is a strong choice because the Cat needs more than a funny voice. He needs timing, unpredictability, charm, mischief, and the ability to turn a simple scene into a comic disaster.
Hader’s background in sketch comedy, voice acting, and character performance makes him a natural fit for this role. Many viewers know him from Saturday Night Live, where he built a reputation for expressive characters and rapid shifts in tone. Others know him from Barry, which showed his ability to balance comedy with darker emotional material. He has also voiced characters in animated projects including Inside Out.
The Cat is one of those characters who can easily become too loud or too random if the performance is not controlled. Hader’s challenge is to make him wild without losing the character’s strange warmth. If the movie works, his version of the Cat could become the defining modern animated take on the character.
Xochitl Gomez as Gabby
Xochitl Gomez voices Gabby, one of the two children who become part of the Cat’s new adventure. Gabby is listed as Sebastian’s older sister and one of the Cat’s newest clients, which suggests she will be central to the emotional side of the film.
Gomez is best known to many viewers as America Chavez from Doctor Strange in the Multiverse of Madness. That role introduced her to a global audience and showed her ability to play a young character thrown into a strange, high-energy fantasy world. That experience fits well with The Cat in the Hat, where ordinary children are pulled into a chaotic world of impossible imagination.
Gabby may become the grounded point of view for young viewers. While the Cat brings madness, Gabby and Sebastian help give the story emotional stakes. Their reactions matter because the Cat’s job is not simply to cause trouble; it is to help them through a major life change.
Tiago Martinez as Sebastian
Tiago Martinez voices Sebastian, Gabby’s younger brother. Sebastian is one of the children at the center of the Cat’s mission, and his role gives the movie a direct connection to the spirit of the original Dr. Seuss book, where children are left trying to make sense of the Cat’s impossible behavior.
In the 2026 animated film, Sebastian appears to be part of a more expanded story than the original book. Instead of a simple rainy-day visit, the new movie builds a larger adventure around imagination, moving to a new place, and entering worlds that the children have never seen before.
Sebastian’s relationship with Gabby will likely be important because sibling dynamics often give family films their emotional backbone. The Cat may create the spectacle, but the children’s journey gives the spectacle meaning.
Matt Berry as the Fish
Matt Berry voices the Fish, one of the most important supporting characters in any Cat in the Hat adaptation. The Fish traditionally acts as the voice of caution. While the Cat encourages chaos, the Fish worries about rules, consequences, responsibility, and what will happen when the adults return.
Berry is an especially fun casting choice because his voice is instantly recognizable: deep, theatrical, dramatic, and extremely dry. Fans may know him from What We Do in the Shadows, The IT Crowd, and Toast of London. His delivery can make even simple lines sound hilariously serious.
That makes him perfect for the Fish. The character needs to panic, object, lecture, and react to nonsense with exaggerated seriousness. Opposite Bill Hader’s Cat, Berry’s Fish could become one of the funniest parts of the movie.
Quinta Brunson as Sherri
Quinta Brunson voices Sherri, one of the Cat’s co-workers connected to the film’s imagination-focused world. Brunson is best known for creating and starring in Abbott Elementary, where her comedy often comes from sincerity, workplace chaos, optimism, and practical problem-solving.
That kind of energy fits the reported world of the film, especially if the Cat works within a larger organization connected to imagination and inspiration. Sherri may help show that the Cat is not simply a random magical visitor, but part of a bigger imaginative system.
Brunson’s presence also gives the movie a fresh comedy voice that adults will recognize. Warner Bros. has clearly built this cast to appeal to children and parents at the same time.
Giancarlo Esposito as Mr. Hoogeboom
Giancarlo Esposito voices Mr. Hoogeboom, described in listings as the Cat’s boss. That immediately makes the role interesting because Esposito is famous for playing controlled, intimidating, highly composed characters.
Many viewers know him as Gus Fring from Breaking Bad and Better Call Saul, or from roles in The Mandalorian and other major projects. Bringing that intense vocal presence into a Dr. Seuss animated comedy creates a funny contrast. Mr. Hoogeboom can sound serious and official while the Cat behaves in the least professional way imaginable.
If the film leans into that contrast, Esposito’s character could become one of the strongest adult-facing jokes in the movie: a stern boss trying to manage a magical agent of chaos.
America Ferrera as Gabby and Sebastian’s Mother
America Ferrera voices Gabby and Sebastian’s mother. Parent characters in family animated movies often have limited screen time, but they can still shape the emotional foundation of the story. In this film, the children are adjusting to a new situation, and their mother’s role may help explain why they need the Cat’s unusual brand of imagination in the first place.
Ferrera is known for Ugly Betty, Superstore, and her widely discussed role in Barbie. She often brings warmth, intelligence, and emotional clarity to her roles, which makes her a strong choice for a parent character in a family movie.
Her casting also adds another recognizable voice for adult audiences, helping the movie feel like a full ensemble rather than a simple children’s comedy.
What Is The Cat in the Hat 2026 About?
The 2026 animated The Cat in the Hat follows the famous Cat as he takes on a major mission involving two children, Gabby and Sebastian. Instead of only retelling the original book’s rainy-day setup, the movie expands the story into a bigger animated adventure about imagination, adjustment, and magical mayhem.
One of the most interesting ideas in this version is that the Cat is connected to the Institute for the Institution of Imagination and Inspiration, often shortened as I.I.I.I. That gives the character a larger purpose. He is not simply showing up randomly to wreck a house; he is part of a strange imaginative system that sends him to help children who need joy, creativity, and emotional disruption.
This approach gives Warner Bros. a way to build a broader Dr. Seuss animated universe. The film can honor the original book’s spirit while creating new locations, new characters, new rules, and new story possibilities beyond the house.
Why This Animated Version Matters
The Cat in the Hat is one of Dr. Seuss’s most recognizable creations, but the character has a complicated movie history. The 2003 live-action version starring Mike Myers became famous for its strange tone and mixed reception. Because of that, many fans are curious whether the 2026 animated movie can capture the character in a way that feels more faithful to the playful, surreal, childlike energy of the book.
Animation is a better natural fit for Dr. Seuss because his worlds are exaggerated, flexible, colorful, and impossible by design. The Cat’s movements, expressions, and magical chaos can feel more natural in animation than in live action. A fully animated movie also gives the filmmakers more freedom to create worlds that bend, stretch, rhyme, and break normal logic.
That is why the cast matters. Voice actors must carry the personality of characters who may not behave like ordinary humans. A performer like Bill Hader can make the Cat feel alive without needing him to be realistic.
Where You’ve Seen The Cat in the Hat 2026 Cast Before
The movie has a cast filled with performers from comedy, television, superhero films, animation, drama, and Broadway. Here is where viewers may recognize the main voice actors:
- Bill Hader is known for Saturday Night Live, Barry, Inside Out, and several comedy and voice roles.
- Xochitl Gomez is known for playing America Chavez in Doctor Strange in the Multiverse of Madness.
- Matt Berry is known for What We Do in the Shadows, The IT Crowd, and his distinctive comedy voice.
- Quinta Brunson is known for Abbott Elementary, where she works as creator, writer, producer, and star.
- Giancarlo Esposito is known for Breaking Bad, Better Call Saul, and The Mandalorian.
- America Ferrera is known for Ugly Betty, Superstore, Barbie, and voice work in animated projects.
- Bowen Yang is known for Saturday Night Live, comedy roles, and voice appearances.
- Tituss Burgess is known for Unbreakable Kimmy Schmidt, Broadway performances, and animated voice roles.
- Paula Pell is known for comedy writing, Saturday Night Live, Girls5eva, and Wine Country.
This mix of performers gives the film a broad appeal. Children may connect with the Cat’s visual chaos, while adults may recognize the voices and comedy styles behind the characters.
Why Fans Are Excited About The Cat in the Hat 2026 Cast
Fans are excited about the The Cat in the Hat 2026 voice cast because the movie feels like a true animated reset for the character. Bill Hader gives the Cat a modern comedy identity. Matt Berry as the Fish creates a strong comedy pairing. Giancarlo Esposito as the Cat’s boss adds a funny layer of authority. Quinta Brunson, Paula Pell, Bowen Yang, and Tituss Burgess bring extra comedy strength.
The children’s roles also matter. Xochitl Gomez and Tiago Martinez help ground the story in a family-friendly emotional journey. Without believable children at the center, the Cat’s chaos would only be noise. Their presence gives the story a reason to exist.
The film also has major franchise potential because Warner Bros. and Dr. Seuss Enterprises have been building toward a larger Seuss-inspired animated world. If this movie works, it could help launch more Dr. Seuss movies for a new generation.
The Cat in the Hat 2026 Release Date
The Cat in the Hat is scheduled for theatrical release on November 6, 2026. Earlier listings had different dates, but current release tracking places the movie in November 2026.
The timing gives Warner Bros. a strong family movie window near the holiday season. Because the character is already famous and the cast includes several recognizable names, search interest is likely to grow around trailer drops, posters, character reveals, and the final release campaign.
Editor’s note: Cast and release information for upcoming animated movies can change before release. This guide should be updated whenever Warner Bros. confirms new character names or official credits.
FAQs About The Cat in the Hat 2026 Cast
Who voices the Cat in the Hat in 2026?
Bill Hader voices the Cat in the Hat in the 2026 animated movie from Warner Bros. Pictures Animation.
Who plays Gabby in The Cat in the Hat 2026?
Xochitl Gomez voices Gabby, one of the children at the center of the new animated story.
Who voices Sebastian in The Cat in the Hat 2026?
Tiago Martinez voices Sebastian, Gabby’s younger brother and one of the Cat’s newest clients.
Who voices the Fish in The Cat in the Hat 2026?
Matt Berry voices the Fish, the cautious pet fish who traditionally pushes back against the Cat’s chaos.
Is Giancarlo Esposito in The Cat in the Hat?
Yes. Giancarlo Esposito voices Mr. Hoogeboom, listed as the Cat in the Hat’s boss.
Is The Cat in the Hat 2026 animated?
Yes. The 2026 version is a fully animated fantasy comedy movie based on the Dr. Seuss character.
When does The Cat in the Hat 2026 come out?
The Cat in the Hat is currently scheduled for theatrical release on November 6, 2026.
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Final Thoughts on The Cat in the Hat 2026 Cast
The The Cat in the Hat 2026 cast gives Warner Bros. a strong foundation for a fresh animated version of the classic Dr. Seuss character. Bill Hader, Xochitl Gomez, Tiago Martinez, Matt Berry, Quinta Brunson, Giancarlo Esposito, America Ferrera, Paula Pell, Bowen Yang, and Tituss Burgess create a lineup that can appeal to children, parents, comedy fans, and longtime Dr. Seuss readers.