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All you need to know about Marcia Clark

Author

John Johnson

Updated on January 02, 2026

Marcia Clark is an American prosecutor, author, and television personality with a $5 million net worth. Marcia Clark became well-known as the primary prosecutor in the O.J. Simpson murder trial.

Prior to the Simpson trial, she was most known for her role in the prosecution of Robert John Bardo for the murder of 21-year-old actress Rebecca Schaeffer. According to Marcia’s website, Bardo’s conviction “resulted in legislation that offered victims better protection from stalkers as well as increased punishment for the offenders.”

Following Simpson’s acquittal in 1995, Clark took a leave of absence and officially resigned in 1997. She went on to make millions of dollars in book advances and royalties, as well as speaking and media appearance fees.

Who is Marcia Clark?

Marcia Clark was born Marcia Rachel Kleks on August 31, 1953, in Alameda, California. She was raised in a Jewish household with her mother Rozlyn, father Abraham (a chemist for the Food and Drug Administration), and a younger brother. Because of Abraham’s job, the family traveled frequently, and Marcia lived in Michigan, New York, and Maryland, in addition to California.

She attended Susan E. Wagner High School in Staten Island and earned a political science degree from the University of California, Los Angeles in 1976. Marcia then went to Southwestern University School of Law and earned a Juris Doctorate.

How old is Marcia Clark?

She is currently 70 years old.

What is Marcia Clark’s net worth?

She is estimated to be worth $5 Million.

What is Marcia Clark’s career?

Clark passed the California bar in 1979, the year she graduated from law school. She began her career in private practice and as a public defender, but in 1981 she opted to become a prosecutor. Marcia was a Los Angeles County deputy district attorney.

As you are well aware, she took the lead in the O. J. Simpson murder trial in 1995. The prosecution team also featured Christopher Darden and William Hodgman. Throughout the trial, Clark faced unwanted attention and sexist insults from the media, who insulted her appearance and examined her custody struggle. On October 4, 1995, the jury found Marcia not guilty, and she took a leave of absence until officially leaving in 1997.

Marcia has nine published books as of this writing. Her first book, 1997’s “Without a Doubt” (co-authored with Teresa Carpenter), came with a $4.2 million advance. After accounting for inflation, that equates to around $7 million in today’s money. The book topped multiple bestseller lists, including the “New York Times” and “Publishers Weekly.” Clark has also written for “The Daily Beast” and reported for “Entertainment Tonight.”

After publishing her memoir “Without a Doubt,” Clark began writing fiction, starting with “Guilt By Association” (2011), the first installment in the Rachel Knight series. The series also contains the books “Guilt By Degrees” (2012), “Killer Ambition” (2013), and “The Competition” (2014), as well as the short pieces “If I’m Dead: A Rachel Knight Story” (2012) and “Trouble in Paradise: A Rachel Knight Story” (2013). Marcia also writes the Samantha Brinkman series, which includes “Blood Defense” (2016), “Moral Defense” (2016), “Snap Judgment” (2017), and “Final Judgment” (2020).

Clark has covered high-profile trials and red-carpet events as a “special correspondent” for “Entertainment Tonight.” She also served as a guest attorney on the 2000 television series “Power of Attorney,” and she discussed the Casey Anthony trial on “Headline News.” Marcia was a CNN analyst during George Zimmerman’s trial for the murder of Trayvon Martin, who was 17 years old.

Marcia developed a pilot for a television show on the DA’s office (“Borderland”), which FX bought but never produced. In 2015, her book “Guilt by Association” was adapted into a television film starring Julia Stiles, and in 2016, NBC ordered a pilot for her Samantha Brinkman series, with Clark producing and co-writing.