Six Down...Starts with a "D"

[Talisman]

Talisman, getting her quill with the obnoxiously favorite purple ink 
ready:

Just a reminder that The New York Times is supposed to be running a 
Harry Potter crossword tomorrow (July 10th).  If you don't normally 
take the Times, it might be worthwhile sniffing around for a copy.  

I'm sure everyone on this list will acquit themselves handsomely--
except if the clue is: a ten letter word meaning a charming fibber who 
controls all the action. <veg>