British. Nuff' said.
Stephen Fry is an English actor, screenwriter, author, playwright, journalist, poet, comedian, television presenter, and film director known for his comedy duo with Hugh Laurie. He is the voice actor in Hitchhiker's Guide to the Galaxy motion picture narrating the Guide itself, as well as narrating an audiobook of the novel and Murray Bost Henson in Fit the Twenty First of the Quandary Phase. He was probably chosed for this role because of his schoolmaster persona in the quiz show QI (Quite Interesting).