Warner Bros. Animation released the official trailer for an upcoming animated adaptation of Dr. Seuss’s "The Cat in the Hat" on Tuesday.

This release marks the first full-length feature animation of the classic book. The project aims to bring the whimsical storytelling of Seuss to a modern global audience through a theatrical experience.

Bill Hader provides the voice for the title character, the Cat in the Hat [1]. The supporting voice cast includes Xochitl Gomez, America Ferrera, and Matt Berry [1, 2]. The trailer was first shared via the Entertainment Tonight YouTube channel to generate interest ahead of the film's premiere [1].

According to the studio, the movie is scheduled to open in theaters worldwide on Nov. 6, 2026 [1, 3]. The animation seeks to capture the specific visual style associated with the original literary work while utilizing current technology.

While some reports vary on the full extent of the supporting cast, the core group of voice actors is now confirmed as the studio moves into the final stages of production [1, 4]. The film will be distributed by Warner Bros. Animation as a primary theatrical release for the late autumn season [1].

Bill Hader provides the voice for the title character, the Cat in the Hat

The decision to produce a full-length animated feature suggests a strategy to capitalize on the enduring brand loyalty of Dr. Seuss. By casting Bill Hader, a known comedic talent, the studio is likely targeting a multi-generational demographic that includes both children and adults who grew up with the source material.