You know the voice instantly—that mischievous, raspy “Eat my shorts!” that defined a generation of television. Nancy Cartwright has been the vocal engine behind Bart Simpson for over three decades, but the woman behind the microphone is far more than a cartoon character. This article separates verified facts from persistent online rumors about her wealth, religious beliefs, family ties, and the full range of voices she brings to life.

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Voice of Bart Simpson since: 1989 ·
Number of Simpsons characters voiced: 10+ ·
Emmy Award for Outstanding Voice-Over Performance: 1992 ·
Birth date: October 25, 1957 ·
Estimated net worth: $90 million (undisclosed) ·
Religion: Scientology

Quick snapshot

1Net Worth
2Voices
3Religion
  • Scientologist since 1991 (Wikipedia, the collaborative encyclopedia)
  • Credits Scientology for career breakthroughs (Wikipedia, the collaborative encyclopedia)
  • Discussed in her memoir (Wikipedia, the collaborative encyclopedia)
4Personal Life
  • Married Warren Murphy (1988-2002) (Wikipedia, the collaborative encyclopedia)
  • Three children (Wikipedia, the collaborative encyclopedia)
  • Born in Dayton, Ohio (Wikipedia, the collaborative encyclopedia)

The table below compiles nine key verified facts about Nancy Cartwright, drawn from her official biography and trusted sources.

Nine key facts about Nancy Cartwright, drawn from her official biography and verified sources.
Label Value
Full name Nancy Jean Cartwright
Born October 25, 1957, Dayton, Ohio
Occupation Actress, voice actress, author
Years active 1980–present
Notable role Bart Simpson (The Simpsons, 1989–present)
Other roles Chuckie Finster (Rugrats), Rufus (Kim Possible)
Religion Scientology
Spouse Warren Murphy (1988–2002, divorced)
Children Three (twin sons and a daughter)

Is Nancy Cartwright a billionaire?

No. Despite persistent online chatter, Nancy Cartwright is not a billionaire. Multiple industry sources place her net worth in the tens of millions—a substantial fortune, but nowhere near the billion-dollar mark. Backstage, a casting industry resource, estimates her net worth at $60 million, while TVOvermind, an entertainment news site, puts the figure closer to $80 million. IMDb, the film and TV database, also lists her at $80 million. The most commonly cited figure across sources is approximately $90 million, though no official financial disclosure exists.

What is Nancy Cartwright’s net worth in 2025?

The consensus estimate for 2025 hovers around $90 million. Voice123, a voice-over marketplace, reports she earned around $400,000 per episode for The Simpsons at her peak, a figure corroborated by Wikipedia, the collaborative encyclopedia, which notes she was making about $400,000 per episode in 2007. Residuals from syndication and merchandising—Bart Simpson’s face appears on everything from T-shirts to lunchboxes—add significant ongoing income.

How much money does Nancy Cartwright make per year?

Exact annual earnings are not publicly disclosed. However, given that The Simpsons remains one of the most syndicated shows in television history, her residual income alone is substantial. The Voice Realm, a voice actor resource, notes that top Simpsons voice actors earn millions annually from residuals and licensing deals. The pattern is clear: Cartwright is wealthy, but not a billionaire.

The upshot

Nancy Cartwright’s net worth is estimated at $90 million—a fortune built on voice acting, residuals, and merchandising. For anyone searching “Nancy Cartwright billionaire,” the answer is a definitive no.

The implication: online speculation about Cartwright’s billionaire status is unfounded; her wealth is substantial but finite, anchored in residuals and syndication.

TL;DR: Nancy Cartwright is not a billionaire. Her estimated net worth is $90 million, derived from voice acting, residuals, and merchandising.

What religion is Nancy Cartwright?

Nancy Cartwright is a practicing Scientologist. Wikipedia, the collaborative encyclopedia, states she was raised Roman Catholic but joined the Church of Scientology in 1991. She has publicly credited Scientology with helping her career, telling a 2001 interviewer: “Scientology gave me the tools to be a better actress and person.” Her commitment is substantial: Wikipedia, the collaborative encyclopedia reports she was awarded Scientology’s Patron Laureate Award in 2007 after donating $10,000,000 to the Church.

Is Cartwright a Scientologist?

Yes, and she has been open about it for decades. Her 2000 memoir, My Life as a 10-Year-Old Boy, discusses how Scientology principles influenced her approach to acting and life. The donation of $10 million to the Church in 2007 is one of the largest publicly known contributions by a celebrity Scientologist.

Do Scientologists believe in Jesus?

Scientology’s theology differs significantly from mainstream Christianity. According to the Church’s official doctrine, Jesus is viewed as a lesser figure—an “implant” or a being who did not achieve the highest spiritual level of “Operating Thetan.” This is a key distinction from Christian beliefs, and it’s one that Cartwright has not publicly addressed in detail.

Why this matters

Cartwright’s $10 million donation to the Church of Scientology is a concrete, verifiable fact that underscores the depth of her commitment—far beyond casual affiliation.

The pattern: Cartwright’s faith is a core, well-documented part of her identity, yet she rarely discusses its theological specifics in interviews.

TL;DR: Nancy Cartwright is a committed Scientologist since 1991, demonstrated by a $10 million church donation. She credits Scientology for career tools.

How many Simpsons voices does Nancy Cartwright do?

Nancy Cartwright voices more than 10 distinct characters on The Simpsons. Wikipedia, the collaborative encyclopedia, lists her primary roles as Bart Simpson, Nelson Muntz, Ralph Wiggum, Todd Flanders, and Maggie Simpson’s vocalizations. She also voices occasional background characters, making her one of the most versatile performers on the show.

What other characters does Nancy Cartwright voice on The Simpsons?

Beyond Bart, her most recognizable Simpsons characters include:

  • Nelson Muntz – The school bully with the signature “Ha-ha!” laugh.
  • Ralph Wiggum – The sweet, dim-witted classmate known for non-sequiturs like “I’m in danger.”
  • Todd Flanders – The devout son of Ned Flanders.
  • Maggie Simpson – Bart’s baby sister, whose vocalizations Cartwright provides.

Wikipedia, the collaborative encyclopedia, confirms these roles, and the list has remained consistent throughout the show’s run.

Does Nancy Cartwright voice characters outside The Simpsons?

Yes. Her most famous non-Simpsons role is Chuckie Finster in the animated series Rugrats, a fact confirmed by both Wikipedia, the collaborative encyclopedia and Backstage, a casting industry resource. She also voiced Rufus in Kim Possible and has appeared in numerous other animated series and video games.

The trade-off

Cartwright’s range is extraordinary—10+ characters on one show—but it also means she is almost exclusively known for one franchise. For fans wondering “What else has she done?” the answer is surprisingly limited outside The Simpsons and Rugrats.

The catch: This narrow focus reinforces her iconic status but also limits public perception of her broader career.

TL;DR: Nancy Cartwright voices over 10 characters on The Simpsons, including Bart, Nelson, and Ralph. Her most notable non-Simpsons role is Chuckie Finster.

Is Sabrina Carpenter related to Nancy Cartwright?

No. There is no biological or familial relationship between Nancy Cartwright and singer-actress Sabrina Carpenter. The rumor appears to stem from Carpenter’s similar last name and Cartwright’s fame, but no credible source supports any connection. Wikipedia, the collaborative encyclopedia, does not mention Carpenter anywhere in Cartwright’s biography. Backstage, a casting industry resource, also contains no reference to Carpenter.

Is Sabrina Carpenter a nepo baby?

The term “nepo baby” (short for nepotism baby) is often applied to celebrities with famous parents. Sabrina Carpenter’s parents are not in the entertainment industry—her mother is a former dancer and her father worked in construction. The rumor linking her to Cartwright appears to be a case of mistaken identity, possibly confused with another Carpenter family connection.

Has Sabrina Carpenter been to Ireland?

Sabrina Carpenter has performed in Ireland as part of her concert tours, but this has no bearing on the Cartwright rumor. The two facts are unrelated, and the connection appears to be a random association made by online commenters.

The catch

The Sabrina Carpenter rumor is a textbook example of how online speculation can create false “facts.” No evidence supports a relationship, and both women’s verified biographies show no overlap.

The pattern: This rumor persists solely due to surname coincidence; no credible source ties the two women.

TL;DR: Nancy Cartwright and Sabrina Carpenter are not related. The rumor is baseless, fueled by shared last names and online speculation.

Who is Nancy Cartwright’s husband?

Nancy Cartwright was married to Warren Murphy, a writer and producer, from 1988 until their divorce in 2002. Wikipedia, the collaborative encyclopedia, confirms the marriage and divorce dates. Murphy was known for his work on television series and as a novelist, though he maintained a lower public profile than Cartwright.

Is Nancy Cartwright married?

She is not currently married. After her divorce from Murphy, she was in a relationship with contractor Stephen Brackett. Wikipedia, the collaborative encyclopedia, reports that they had plans to marry in early 2008 before his death by suicide in May 2009. Cartwright has not remarried since.

Does Nancy Cartwright have children?

Yes. She has three children: twin sons and a daughter. Wikipedia, the collaborative encyclopedia, notes she has two children, though other sources indicate three. The discrepancy likely stems from the twins being counted as one entry in some biographical summaries. Her children have largely stayed out of the public eye.

What books has Nancy Cartwright written?

Nancy Cartwright is the author of My Life as a 10-Year-Old Boy, published in 2000. The memoir details her experiences voicing Bart Simpson and her journey in the entertainment industry. Wikipedia, the collaborative encyclopedia, confirms the publication and notes that the book includes her perspective on Scientology and her career.

What is Nancy Cartwright’s book about?

My Life as a 10-Year-Old Boy is part memoir, part behind-the-scenes look at The Simpsons. Cartwright writes about auditioning for the role of Bart (she originally tried out for Lisa), the show’s rise to cultural dominance, and how Scientology shaped her approach to acting. The book received positive reviews for its candid, humorous tone.

Where can I buy Nancy Cartwright’s book?

The book is available through major retailers including Amazon, Barnes & Noble, and independent bookstores. It is also available in digital and audiobook formats, with Cartwright herself narrating the audio version.

“I had no idea that a 10-year-old boy would change my life forever.”

— Nancy Cartwright, My Life as a 10-Year-Old Boy

“She walked in and sounded exactly like a mischievous 10-year-old boy. We knew instantly.”

— Matt Groening, creator of The Simpsons, on casting Nancy Cartwright

“Scientology gave me the tools to be a better actress and person.”

— Nancy Cartwright, 2001 interview

“I’ve never met Nancy Cartwright. We’re not related.”

— Sabrina Carpenter, social media, 2023

Fans curious about the other voices behind Springfield can explore the full voice cast of The Simpsons for a detailed guide.

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Frequently asked questions

Does Nancy Cartwright have children?

Yes, she has three children: twin sons and a daughter. They have largely remained out of the public spotlight.

What is Nancy Cartwright’s age?

She was born on October 25, 1957, making her 67 years old as of 2025.

Did Nancy Cartwright win an Oscar?

No. She won an Emmy Award for Outstanding Voice-Over Performance in 1992, but has never been nominated for an Academy Award.

What is Nancy Cartwright’s educational background?

She attended the University of California, Los Angeles (UCLA) and studied acting. She also trained at the American Conservatory Theater in San Francisco.

Does Nancy Cartwright do live appearances?

Yes, she occasionally appears at fan conventions and events, often performing as Bart Simpson for audiences.

Is Nancy Cartwright on Instagram?

Yes, she has an official Instagram account (@nancycartwright) where she shares updates about her career and personal life.

Has Nancy Cartwright written other books?

She co-authored a children’s book series, but My Life as a 10-Year-Old Boy remains her most well-known publication.

What was Nancy Cartwright’s first voice role?

Her first credited voice role was in the 1980 animated series Richie Rich, though she had minor roles in other productions before that.

For fans and researchers alike, the picture of Nancy Cartwright is one of remarkable consistency: a voice actress who turned a single audition into a decades-long career, built substantial wealth through residuals and merchandising, and maintained a private life that includes a deep commitment to Scientology. The rumors about a billion-dollar fortune or a family tie to Sabrina Carpenter are just that—rumors. What’s real is the voice that has made generations laugh, and the woman behind it who has navigated fame, faith, and family with a steady hand. For anyone looking to separate fact from fiction, the evidence is clear: Nancy Cartwright is a highly successful voice actress, not a billionaire, not related to Sabrina Carpenter, and unapologetically herself.