United Kingdom, Feb. 16 -- Nancy Cartwright doesn't think AI has enough "heart" to replace her on The Simpsons.

The 68-year-old actress has voiced Bart Simpson for over 35 years and when she eventually retires, she hopes producers on the animated comedy series bring in a real-life replacement instead of relying on technology to replicate her speech.

She told People magazine: "I think I would choose a successor [instead of AI], and I'll tell you why - because AI has no heart and I think that's a missing ingredient.

"[AI] might sound pretty close to Nancy Cartwright, but I got passion.

"We're spiritual beings, we can emote passion and uplift people and stuff. And I don't know that a computer can do something like that."

Nancy was initi...