That is because Pattison and Stewart are terrible actors (if that is even what you can call them) who need to go away now while they still have some diginity left.
I hardly call Panic Room good. More like Kingdom of Boredom. Same goes for Adventure Land, which was just the same type of comedy movie ever comedy is these days, one giant sex crave.
As for Portman, if I hated her in Star Wars, I would have to hate Hamill because they were pretty much the same acting wise between all three of their movies. Some of their parts were great some of their parts were terrible. Only difference is, Portman actually did something with her career.