Daniel Radcliffe checks himself into rehab Image: AAP Tue-15-Jul-14 07:36 Share this By Jay-Jay FeeneyHarry Potter star DANIEL RADCLIFFE is heading to rehab . . . so he can quit smoking CIGARETTES.He smokes about a pack a day, and has tried hypnotherapy and e-cigarettes. But neither of them worked, so he's desperate. You May Also Like Celebrity A-Listers Old Audition Tapes Daniel Radcliffe was allergic to the Harry Potter glasses American Pie star Sean William Scott checks into rehab Become a fan of The Edge on Facebook and on Twitter .