Bill Hader

The Cat in the Hat (voice)

Xochitl Gomez

Gabby (voice)

Quinta Brunson

Sherri (voice)

Bowen Yang

(voice)

Matt Berry

The Fish (voice)

America Ferrera

The Mother (voice)

Paula Pell

(voice)

Tiago Martinez

Sebastian (voice)

Tituss Burgess

(voice)

Giancarlo Esposito

Mr. Hoogeboom (voice)

Erica Rivinoja

Alessandro Carloni