Billy Crystal and Robin Williams. (Photo: Archive)
Charlie Sheen. (Photo: Archive)
Jeff Goldblum. (Photo: Archive)
Kristin Davis. (Photo: Archive)
Selma Blair. (Photo: Archive)
Isabella Rossellini. (Photo: Archive)
Helen Hunt. (Photo: Archive)
Winona Ryder. (Photo: Archive)
Morgan Fairchild and Jay Leno. (Photo: Archive)
Reese Witherspoon. (Photo: Archive)
Sean Penn. (Photo: Archive)
Jon Lovitz. (Photo: Archive)
Jim Rash. (Photo: Archive)
Over the years we saw many famous faces guest starring on Friends, but every time we rewatch the iconic 90s sitcom, we remember many more surprising celebrity cameos. Here are 40 of the best ones!
