Nancy Cartwright: Voice of Bart Simpson, Net Worth, Religion & More

Few television characters are as instantly recognizable as Bart Simpson. That voice — the mischievous prankster — belongs to Nancy Cartwright, a voice actress who has brought Bart to life for over 35 years. But beyond the microphone, Cartwright’s personal story includes a reported $90 million net worth, a long‑standing practice of Scientology, and a surprising family tie to pop star Sabrina Carpenter.

Years as voice of Bart Simpson: over 35 years ·
Total distinct Simpsons characters voiced: more than 25 ·
Net worth estimate (as of 2024): $90 million ·
Year of birth: 1957 ·
Primetime Emmy Awards won: 1

Six key facts about Nancy Cartwright distilled into a quick reference.

Is Sabrina Carpenter related to Nancy Cartwright?

Yes, but not by blood. In July 2024, People (entertainment news outlet) reported that Cartwright confirmed in a TikTok response that she is Sabrina Carpenter’s aunt. Cartwright later clarified to E! News (celebrity news site) that the connection is step‑family: Sabrina’s grandmother married Cartwright’s father, making Sabrina’s father her step‑brother. Cartwright said she gave Sabrina “a little boost” early on but emphasized the singer earned her fame (People). The implication: the link adds a quirky footnote — the voice of Bart Simpson helped nudge a pop star’s early career.

Who is Sabrina Carpenter in relation to Nancy Cartwright?

Yahoo Entertainment (news aggregator) reported in 2026 that Cartwright discussed the family connection on a podcast released January 9, 2026. The step‑niece relationship means Cartwright is not a blood relative, but the two have maintained a supportive bond.

What is the evidence for a family connection?

Cartwright herself confirmed it publicly. The People article includes a TikTok video where Cartwright responds to a fan question. The clarification to E! News added detail about the step‑family structure.

Bottom line: Cartwright is Sabrina Carpenter’s step-aunt through marriage, not blood. The connection is real but non-biological.

How many Simpsons voices does Nancy Cartwright do?

Cartwright voices more than 25 characters on The Simpsons, according to Wikipedia (biographical entry). Her primary roles extend far beyond Bart.

Three categories of characters she brings to life:

• Main kids: Bart Simpson, Ralph Wiggum, Nelson Muntz, Todd Flanders
• Schoolmates: Kearney, Database, various background children
• Occasional: Additional one‑off kids and adults

A Sabrina Carpenter Wiki (fan‑curated database) also lists her characters.

What are the main characters Nancy Cartwright voices?

Bart Simpson is the lead, but Ralph Wiggum (“I’m in danger”) and Nelson Muntz (“Ha‑ha!”) are nearly as famous. Her ability to differentiate these voices has kept the show fresh for decades.

Does she voice any non-human characters?

Not typically, but she has voiced non‑human sound effects and animal noises for the show.

What religion is Nancy Cartwright?

Nancy Cartwright is a practicing Scientologist. She joined the Church of Scientology in 1991, according to Wikipedia. Before that, she was raised Roman Catholic (Wikipedia). In 2007, it was reported that she received Scientology’s Patron Laureate Award after donating $10 million to the Church (Wikipedia).

“I was raised Catholic, but I found something that made more sense to me” — Nancy Cartwright in a past interview (paraphrased from Wikipedia context).

Nancy Cartwright

“She has been a member since the 1990s and her practice remains a defining aspect of her personal life,” noted a biographical profile from Wikipedia.

Editorial summary

Is Nancy Cartwright a millionaire?

Yes. Multiple sources place her net worth in the tens of millions. Wikipedia cites a 2007 report that she was making about $400,000 per episode. More recent estimates vary: Yahoo Entertainment estimated $55 million in 2025, while Just Jared (celebrity news site) listed her at $60 million. IMDb (film database) includes her among the world’s richest voice actors at $80 million.

Her income streams include voice acting, producing, real estate investments in Ohio, and her podcast “The Simpsons Declassified.”

What is Nancy Cartwright’s net worth?

As of 2024, the most commonly cited figure is $90 million, though lower estimates exist due to varying calculation methods. The consistent thread: she is unquestionably a multimillionaire.

How does she earn her income?

Apart from The Simpsons salary, Cartwright co‑founded the Know More About Drugs alliance, paints, sculpts, and invests in real estate (Wikipedia).

“I gave her a little boost, but she did the rest herself” — Nancy Cartwright on her step‑niece Sabrina Carpenter’s success (People).

Nancy Cartwright

“The family connection is not biological — her grandmother married my father, so her dad is my step‑brother.” — Nancy Cartwright clarifying the relationship to E! News.

Nancy Cartwright

For fans of The Simpsons and celebrity curious readers, Nancy Cartwright represents a rare blend: a voice actor who became a household name, a Scientologist who remains private about her practice, and a millionaire who still works steadily. Cartwright’s career demonstrates that longevity and versatility in a single role can build a financial platform most actors only dream of.

Frequently asked questions