Casting Call Pro have updated their website with some new casting information from Harry Potter and the Deathly Hallows.  The information is as follows:

• Elliott Francis (no character information)
• Russell Alan White (Featured Dancer)
• Christopher Wilson (Body Double / Stand In (Uncle Vernon))
• Samuel Suppel (Snatcher)
• Samantha Warner (Summer dress girl)

Also, there is a rumor on IMDB that Alex Crockford has been cast as Charlie Weasley!  This is still UNCONFIRMED

Finally, Anthony Van Laast is a director of choreography.

Thanks Oclumencia!