Connecticut: Seth MacFarlane
Seth MacFarlane isn't really an actor, but he's behind a lot of your favorite TV shows. He's most famous for Family Guy and American Dad. MacFarlane was born and raised in Kent, Connecticut. He attended a private school that both of his parents worked at.
Even though he spent his entire adolescence in CT, he decided to jump into the voice acting industry and moved to LA. He ended up creating an incredible empire, which he wouldn't have been able to do so far away from LA. Other famous celebs from the state include Paul Giamatti, Glenn Close, and Katharine Hepburn.