30 celebs that guest-starred on “Friends” [Photos]

Brad Pitt was on the show during season 8. He played one of Ross’ old friend named Will Colbert who went to school with Monica, Ross and Rachel. He hated Rachel in High School and was the president of the “I Hate Rachel Green Club” in high school.

Julia Roberts came on for one episode in the role of Susie Moss. She was one of Chandler’s childhood friend and when they unexpectedly run into each other they decide to go on date.

For two episodes, Sean Penn played Phoebe‘s twin sister fiancé, Ursula. After he ended with Ursula, he tried dating Phoebe but he could not get Ursula out of his head, since of course they were twins.

Right after the popularity of E.R. , the two handsome doctors from that show, George Clooney and Noah Wyle guest-starred on Friends and went on a double date with Monica and Rachel.

Charlie Sheen played a sailor named Ryan. He was one of Phoebe’s old boyfriends, that came to visit her after being away in the Navy. Unfortunately, while he is in town...they both get chickenpox.

Jean Claude Van Damme actually plays himself. Monica and Rachel get on an argument when he asked Rachel out on a date, even though she was asking him if he would go out with Monica.

Danny DeVito hilariously played a stripper dressed as a cop outfit at Phoebe‘s bachelorette party.

Reese Witherspoon was a guest-star in two episodes, you would think it would be more as she played Jill Green, Rachel‘s younger sister! In one episode she tried to date Ross but Rachel would not have it.

Susan Sarandon plays Jessica Lockhart a “Days of Our Lives” star that gets killed off the show and the writers bring Joey’s character back because her brain is transplanted into his body.

Winona Ryder made an appearance on season 7, as Melissa Warburton. She was Rachel‘s friend from college who she kissed after getting drunk on night. Rachel goes nuts the whole episode because Melissa doesn’t remember it...however in the end, Rachel kisses Melisa again, and she comes clean that she did remember.

Bruce Willis played Paul Stevens, who was the father of Ross’ young girlfriend, who happened to be his student. While that is already awkward, Paul starts dating Rachel which makes it even weirder.

Ben Stiller made an appearance as Tommy, one of Rache’s date. In the beginning of the episode, he screams at Ross really badly, showing his horrible temper. Ross tries to tell the entire gang that there is something wrong with him, but Tommy has everyone convinced he is super nice. Until of course...He gets caught yelling at Joey’s and Chandler’s pet duck.

The amazing and glamorous, Isabella Rossellini, made an appearance as herself, as one fo the stars that Ross put in his list of celebs he would want Rachel to allow him to sleep with.

The famous Paul Rudd of Avengers, had a reoccurring role, Mike Hannigan. He was Phoebe’s boyfriend who ended up becoming her husband.

So Rachel had another sister, Amy Green, played by Christina Applegate. Amy was the irresponsible sister that takes Emma, Rachel‘s baby, to get her ears pierced without Rachel’s or Ross’ permission...and she also gets in little fight with Rachel when she implies that Emma is not a cute kid.

When Chandler moves out, Joey finds a hot roomie, Australian model, Elle Macpherson. They date for a bit, but she just can’t stand the rest of the hang and has issues with Monica, so eventually they end their relationship.

Two huge Hollywood legends, Robin Williams and Billy Crystal also guest-starred in “Friends”. They played two customers at the coffee shop that annoyed Monica. And of course, the cast wanted a group photo with them on the set.

The famous Jurassic Park and Independence Day actor, Jeff Goldblum also made an appearance was the director of play that Joey is doing...is gives Joey acting pointers.

Comedian and “Glee” star, Jane Lynch played the real estate agent that showed Monica and Chandler houses in Season 10.

Aisha Tyler had the role of Charlie Wheeler. She initially dated Joey, but after being around Ross and having more in common academically and professionally, she breaks up with Joey and dates Ross.

The cool, Freddie Prinze Jr. plays Sandy, the male nanny that Ross and Rachel hire to take care of Emma.

In severa episodes, Visionary movie director and actor, Jon Favreau, played Monica’s rich boyfriend, Pete Becker. He was a millionaire who was into competing in the Ultimate Fighting Championship.

Monica dated an older doctor, Richard Burke, M.D. who was 21 years older than her and was friends with her parents. This handsome older man, was no other than Tom Selleck.

Monica and Chandler adopted twins from Erica, a young mother who have they up, played by Anna Faris

From the TV show, “Mad About You”, Helen Hunt also had a short cameo in a scene at Central Perk, where she mistakes Phoebe for Ursula, her identical twin sister.

Dr. House, Hugh Laurie, joined the guest list of “Friends”. He was the moody and disgruntled passenger that sat next to Rachel on the flight to London.

Even royalty was on “Friends”. Sarah Ferguson, the Duchess of York had a cameo in the 4th season finale. The episode was filmed in London as Ross was going to marry Emily. Fergi complimented Joey’s hat.

Charlotte from Sex in the City, Kristin Davis, had a role as a girl that Joey had a one night stand with and Rachel and Phoebe liked her way more than he did.

Hank Azaria known for his voice over characters in The Simpsons, played David, Phoebe’s long time on-and-off boyfriend. She almost married him instead of Mike (Paul Rudd)!

Jason Alexander, George from “Seinfeld,” appeared in one episode in which Phoebe worked at a suicide hotline, and she stops him, who is a frustrated office work, from committing suicide.