Lisa Kudrow as Phoebe Buffay, Matt LeBlanc as Joey Tribbiani, Courteney Cox Arquette as Monica Geller, Matthew Perry as Chandler Bing, Jennifer Aniston as Rachel Green, David Schwimmer as Ross Geller ...

And it was! Aniston played Rachel through the entire run, earning four Emmy nominations and one Emmy win during that time. Since then, she has appeared in a plethora of things, such as Marley & Me ...