no
The adult Harry Potter was still played by Daniel Radcliffe.
Yes, George W. Harris, the British actor who played Kingsley Shacklebolt in the Harry Potter film adaptations, is, as of August 2012, alive and well at the age of 62.
Harry Potter does survive book seven, he is still there at the end of it.
Obviously you can still like Harry Potter. I guess that's what makes you a "fan".
No There is still more!
No. Professor Quirrell died in Harry Potter and the Philosopher's Stone.
Yes. They get married.
You can still buy the Harry Potter audiobooks on CD from places like Amazon or the Pottermore store.
It is "He-Who-Must-Not-Be-Named. At the end of Harry Potter 7, he dies, so no.
No, he died in Harry Potter and the Order of the Phoenix.
Mail is still called mail or post which is a British term.It can sometimes be referred to as owl post as it is delivered by owls.