A lot can happen to actors over five movies ...

By Martha Brockenbrough
Special to MSN Movies

There have been other franchises, of course: "Star Wars," "The Lord of the Rings," even "Scary Movie." But there aren't too many that will run seven pictures long, starring essentially the same cast. What's more, there are even fewer in which we can watch the characters grow up on-screen. So how bad have the awkward years been for the "Harry Potter" crowd? Believe it or not, not too bad: They really must know magic ...