Michael Gambon
He plays professor slughorn
Ian Hart
Professor Gilderoy Lockhart
Professor Quirrel (Harry Potter 1). Also, his voice was used (modified) for Lord Voldemort.
Alan Rickman plays Severus Snape in the Harry Potter movies.
No, but you can get Harry Potter costumes.
Harry played, and won, against Slytherin and Hufflepuff in Harry Potter and the Philosopher's Stone. He missed the match against Ravenclaw as he was still in the hospital wing recovering from his battle with Professor Quirrell.
She was never in Harry Potter.
If you are talking about Daniel Radcliffe yes he did play harry potter in the deathly hallows... :)
There is no actor in Harry Potter of that name.
Yes, he does.
At hogwartslive.wizard.pro/, you can play a free multi-player harry potter game online that is fun and exciting. Or you can play other harry potter games at bigmoneyarcade.com.