Tiago MartinezvoiceTiago Martinez plays Sebastian in The Cat in the Hat.
1 linked movie guide in this sequence
FILM POSTER · The Cat in the HatThe Cat in the Hat
Sebastian
Film guide, starting point, and performer.
Sebastian appears in The Cat in the Hat (2026), portrayed by Tiago Martinez. This page focuses on that specific screen performance and the movie around it.
Film guide · 1 film · 2026 · 1 performerTHE MOVIE
Sebastian on screen
One focused screen portrayal, with the performer and movie linked directly below.
Film guide · 1 film · 2026Main sequence runtime: 1h 31m
About the scores
Scores shown are MoviHero movie-guide scores. Missing scores stay blank, and tied top scores remain tied.
- 01MoviHero score69/100MAYBE
THE PERFORMANCE
Who plays Sebastian?
Meet the performer and open their full MoviHero profile. Coverage below refers to linked movie guides in this sequence.
Tiago MartinezvoiceWHY THE CHARACTER WORKS
What defines Sebastian
Tiago Martinez’s performance in The Cat in the Hat is the center of this character page. With only one film in the current screen path, the useful comparison is between the character, the performer and the role that film asks them to play—not an invented larger timeline.
WHO TO EXPLORE NEXT
Characters connected on screen
Keep moving through the same films and screen world with a character who shares meaningful movie history.
Gabby
Sebastian and Gabby both appear in The Cat in the Hat.
See The Cat in the HatThe Cat in the Hat
Sebastian and The Cat in the Hat both appear in The Cat in the Hat.
See The Cat in the HatThe Fish
Sebastian and The Fish both appear in The Cat in the Hat.
See The Cat in the Hat