Putting the previous version on the Google play store has solved the problem.  I uninstalled the app, installed Pandora from the Google play store and magically the cast icon is back and working! ... View more

I have the same problem on my Galaxy Tablet A9+.  The casting icon disappeared from the Pandora app yesterday (Nov 21).  Restarted tablet and reinstalled Pandora app.  No luck.   ... View more