17
Sep
David Tennant’s transformation into serial killer Dennis Nilsen for ITV’s Des was unsettlingly convincing. It wasn’t just the physical resemblance, though under that hairstyle and behind those 1980s glasses frames, the similarity was remarkable. It was also the posture, the unwavering eye contact, and the voice; mumbling and unconcerned, listing the terrible details of Nilsen’s crimes as if reciting a recipe instead of multiple brutal murders. As Nilsen, Tennant pulled off what every actor hopes to in a real-life role – a disappearing trick. He slid clean inside the role, leaving no trace of The Doctor, or Simon from There She Goes, or the demon…