In the The Cat in the Hat 2003 (film), his name is Conrad and he is portrayed by Spencer Breslin. In the original book, it’s 1971 TV special and The Cat in the Hat Comes Back, he is portrayed as a regular and well behaved kid. In the live action film, he is a destructive and misbehaved twelve-year-old.Click to see full answer. Regarding this, how old is Sally from The Cat in the Hat?In the 2011 TV Series, Sally’s six years old; one year younger than Nick. In the Movie, she’s eight years old; the same age as Conrad.Also Know, was Mike Myers forced to do Cat in the Hat? Mike Myers – The Cat In The Hat The Cat In The Hat was among them. Mike still had no desire to do it, and only agreed because he adored Dr. Seuss, and remembered The Cat in The Hat being the first story he read. And we thought he just really wanted to work with Dakota Fanning. Subsequently, question is, how old are the kids from Cat in the Hat? Conrad, a twelve-year-old boy, is constantly doing the exact opposite of what he is supposed to do and causing trouble, and Sally, Conrad’s eight-year-old little sister, tries to stop his trouble making and is rather bossy.Does Jim Carrey play Cat in the Hat?Mike Myers stars as The Cat, in the ritual sacrifice of a big star to a high concept. Like Jim Carrey as The Grinch, he’s imprisoned beneath layers of makeup. There is a reason that Myers and Carrey are stars, and that reason is not because they look like cats or grinches.