Billy Crystal and Robin Williams. (Photo: Archive)
Anna Faris. (Photo: Archive)
Denise Richards. (Photo: Archive)
John Stamos. (Photo: Archive)
Jill Goodacre. (Photo: Archive)
Isabella Rossellini. (Photo: Archive)
Jason Alexander. (Photo: Archive)
Alec Baldwin. (Photo: Archive)
Selma Blair. (Photo: Archive)
Helen Hunt. (Photo: Archive)
Marlo Thomas. (Photo: Archive)
Gabrielle Union. (Photo: Archive)
Sean Penn. (Photo: Archive)
Christina Applegate. (Photo: Archive)
Rebecca Romijn. (Photo: Archive)
Winona Ryder. (Photo: Archive)
Susan Sarandon. (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!
