LOS ANGELES, May 2 — Daniel Radcliffe has said he is saddened by author J.K. Rowling’s stance on transgender rights, telling an interviewer he has not spoken to the “Harry Potter” creator in years.

Radcliffe, who played boy wizard Potter in the wildly successful film adaptations of Rowling’s best-selling books, has found himself at odds with Rowling on the thorny issue of gender identity.