TV Show Casts That Couldn't Stand Each Other

We've all had co-workers we couldn't get along with, but thankfully we never had to shoot emotional scenes with them or talk about them in interviews. Plenty of shows over the years have become infamous for their cast in-fighting, and it occasionally gets so dramatic that a star leaves the program. Sometimes one celeb's career takes off while others' don't, and other times, stars insist on having things tailored to their every whim, which doesn't go over well when you're working with an ensemble. From the "Community" controversy involving (shocker) Chevy Chase to the not-very-gleeful set of "Glee," here are some TV show casts that couldn't stand each other.