The cast (https://www.eightieskids.com/shelley-long-quit-cheers-danson-grammer-feud/) of Cheers didn't like her (https://www.thethings.com/cheers-cast-rhea-perlman-fued-with-shelley-long-quit/#:~:text=In%201992%2C%20the%20Sun%20Sentinel,of%20their%20different%20acting%20styles.) and were infuriated she was late all the time.

Kelsey Grammer (https://www.cheatsheet.com/entertainment/kelsey-grammer-claims-cheers-producers-couldnt-stand-shelley-long.html/) has said that she resented him (http://kenlevine.blogspot.com/2013/09/did-shelley-long-try-to-get-kelsey.html) because she felt the writers were giving funny lines to Frasier that once would have been given to Diane.

On The Oprah Winfrey Show (https://www.youtube.com/watch?v=_djUlyQ8q54), Bette Midler didn't hold back and said she didn't want to work with Shelley again.