New Delhi, Aug. 9 -- The Simpsons could have an end date in sight - at least according to one of its longtime stars.

Nancy Cartwright, who has voiced Bart Simpson since 1987, revealed that the animated sitcom may wrap after Season 40, during an appearance on Michael Rosenbaum's "Inside of You" podcast on Tuesday.

Asked how long she thinks "The Simpsons" will be on the air, Cartwright answered, "40 [seasons]."

The show, which first aired as a standalone series in 1989 after debuting as shorts on "The Tracey Ullman Show" two years earlier, finished its 37th season in February.

"Yeah," Cartwright said, before adding, "It's my opinion," when he pressed her on whether she was sure.

But Cartwright, who is also responsible for several other...