Friends is one of the most famous shows that aired from 1994-2004. It's comical plot lines featured animals, catchphrases, and famous guest stars before they were famous. Here a few of the familiar faces that went on to make it big in Hollywood.

1. Julia Roberts

Julia Roberts played Susie Moss, a girl from Chandler's path set to get revenge on him for pulling down her pants in front of the whole school. She succeeds by getting him into girl's underpants in a restaurant bathroom stall, and then leaves with all his clothes. Roberts actually dated Perry for awhile, but it didn't last for long.

2. Brad Pitt

Pitt played Will, a previously fat friend of Monica and Ross, who hates Rachel. He causes some chaos between Ross and Rachel, but they work it out. Pitt later went on to marry Aniston and we know how that story ends.

3. Ellen Pompeo

The lovely Ellen Pompeo played Missy, a college girl who caught the attention of both Chandler and Ross. After revealing that Chandler broke his vow to Ross, she is not seen again.

4. Paget Brewster

The Criminal Minds star played Kathy who we all liked until she cheated on Joey with Chandler, and then she cheated on Chandler with some random dude. She made the number seven famous though.

5. Mae Whitman

Mae played the Brownie that Ross accidentally hit and pushed down the stairs. She had a shady and a love for science that moved Ross's heart to sell cookies to everybody he knew.

5. Reese Witherspoon

Witherspoon played Jill, Rachel's annoying little sister. She tried to hook up with Ross which was beyond gross. Last we heard of her, she gained weight in the "face and ass" according to Rachel's other sister, Amy.

6. Jennifer Coolidge

Coolidge played Monica and Phoebe's annoying friend. She had a weird accent and needs to stop talking about herself. That's pretty much it.

7. Freddie Prinze Jr.

Prinze played Ross and Rachel's nanny, Sandy, who Rachel loved but Ross found to "feminine". He made Ross cry in the end so his character was worth it.