Dan signed on for last two films
A publicist for Daniel Radcliffe has confirmed the actor will reprise his role in both the Half-Blood Prince and Deathly Hallows movies. He is set to begin shooting on Movie 6 in September. There is currently no word on whether Rupert and Emma will return for the last two films, but Rupert has already expressed a desire to do so.
Thanks to DR.co.uk!