Missing from the list is Josh Hutcherson, who was considered a leading candidate at one point. The likely reason is that he's obligated to Journey to the Center of the Earth 2, which shoots in October. Although the actor is reportedly doing everything in his power to get out of it, it's likely that Sony will move ahead with a more reliable option, and soon.
I like the additon of Angarano. He's really grown on me since Sky High, where he was sorta bland. He faded into the background in Lords of Dogtown as well. His last two films are where he's shown his stuff, in the aforementioned Snow Angels but also in The Forbidden Kingdom
You can read more of Deadline's coverage of the story here.