Dr. Seuss' The Cat in the Hat (or simply The Cat in the Hat) is a 2003 American fantasy comedy film loosely based on the 1957 book by Dr. Seuss. Directed by Bo Welch and written by Alec Berg, David Mandel and Jeff Schaffer, the film stars Mike Myers as the titular character, alongside Alec Baldwin, Kelly Preston, Dakota Fanning and Spencer Breslin. It follows siblings Sally and Conrad Walden getting paid a visit by the Cat in the Hat, who plans to lighten up their rainy day with activities that ensue mayhem.