The Woman in Black successfully plumbs the atmospheric vibe of The Haunting but is even more disturbing because all its bad stuff happens to little kids.
The star's job description is that he be able to react convincingly to a variety of supernatural events and to endure being covered in mud. He has difficulty with neither.
Haunted house movies basically live and die by their atmospherics and by the consequences to those poor mortals who come too close to the premises, and The Woman in Black delivers on both counts.
Scene after endless scene of Radcliffe roaming the hallways of a spooky gothic house seeking the source of creepy noises and phantasmic movements is not compelling enough for a two-hour film.