15+ Famous Actors Who Appeared On Law & Order Early In Their Careers Will Have You Appreciating The Drama Even More

Cynthia Nixon, Ellen Pompeo, Claire Danes... this long-running crime-drama TV series has helped some major celebrities along the way.

Law & Order is one of the longest-running and most successful franchises on television. It began in 1990 with Law & Order, an American police procedural and legal drama television series developed by Dick Wolf and produced by Wolf Entertainment.

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It was so successful that it spawned numerous spinoffs, some of which include Law & Order: Special Victims Unit (1999– ), Law & Order: Criminal Intent (2001–11), Law & Order: Trial by Jury (2005–06), Conviction (2006), and Law & Order: Los Angeles (2010–11).

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The original series is set and filmed in New York City and follows a two-part format: the first half-hour features detectives from the New York City Police Department investigating a crime (usually murder) and apprehending a suspect; the second half follows the Manhattan District Attorney's Office prosecuting the defendant.

The original show has 21 seasons, with many actors coming and going as victims, witnesses, and perpetrators. So it's no wonder that many famous actors made their first (or one of their first) TV appearances.

Take a look at 16 famous actors who appeared on the show early in their careers. You will learn something new, and it will make great trivia for your next party. So, let us begin:

1. Sam Rockwell

In seasons two and three, the Oscar winner played two different characters: a police officer and a member of a family suspected of murdering a Chinese-American student, respectively.

1. Sam RockwellNBC
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2. Ellen Pompeo

The Grey's Anatomy star made two appearances on Law & Order—in 1996 and 2000—(Grey's Anatomy actors Kate Walsh and Chandra Wilson were also cast in the show.)

2. Ellen PompeoNBC
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3. Adam Driver

Driver debuted on Law & Order: Special Victims Unit in the final season of 2010, playing a lab technician suspected of murdering an escort.

3. Adam DriverNBC

4. Julia Roberts

The actress made a rare TV appearance in 1999 while dating series actor Benjamin Bratt, portraying a party planner implicated in the death of a powerful businessman.

4. Julia RobertsNBC

5. Jennifer Garner

In a 1996 episode, she played a graduate student who had a romantic encounter with Benjamin Bratt's character.

5. Jennifer GarnerNBC

6. Sebastian Stan

In 2003, the Pam & Tommy actor played a young man who was taken and raised by his abuser.

6. Sebastian StanNBCU Photo Bank

7. Allison Janney

The Oscar winner made two appearances on Law & Order during her early career, in 1992 and 1994. She played a character who was afraid to testify about a murder for the first time. She reappeared two years later to portray a character who was questioned regarding the assassination of a soap opera actress.

7. Allison JanneyNBC

8. Emmy Rossum

Rossum's first acting role was in a 1997 episode, in which she played a preteen who was the subject of female circumcision.

8. Emmy RossumNBC

9. Samuel L. Jackson

In a 1991 episode, he played the lawyer for a drug dealer accused of rape. Who plays the drug dealer? Continue reading...

9. Samuel L. Jackson

10. Philip Seymour Hoffman

The future Oscar winner played a drug dealer who was betrayed by another crook in his first television appearance. His counsel was Samuel L. Jackson.

10. Philip Seymour HoffmanNBCU Photo Bank/NBCUniversal via Getty Images

11. Claire Danes

Even before her leading role on My So-Called Life, the actress appeared in a 1992 episode alongside future Six Feet Under star Lauren Ambrose as a troubled teen.

11. Claire DanesNBC

12. Leighton Meester

She played the daughter of a mistreated woman who assists detectives Briscoe and Curtis with a case in a 1999 episode.

12. Leighton MeesterNBC

13. Vera Farmiga

In a 1998 episode, she portrayed a character who was involved in a shooting.

13. Vera FarmigaNBC

14. Cynthia Nixon

The actress portrayed a woman who shoots two men in a subway during the first season of the show.

14. Cynthia NixonNBC

15. Amanda Peet

Peet starred as a woman involved in a mystery case in 1995.

15. Amanda PeetNBC

16. Chandra Wilson

Wilson portrayed Serena Price in a 1992 episode of Law & Order, which aired decades before Grey's Anatomy.

16. Chandra WilsonNBC

This is quite a list of A-list actors: Cynthia Nixon, Ellen Pompeo, Claire Danes, Samuel L. Jackson... Quite a few Oscar winners, too.

We can’t say that their appearances on the show significantly contributed to their fame, as those were primarily minor roles. Still, they likely gained a wealth of experience that helped them later on.

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