DS Harry Nelson is a fictional character from the British crime drama series Shetland. He serves as a detective sergeant in the Shetland Islands, where he investigates various criminal cases. Known for his keen analytical skills and dedication to justice, Nelson often collaborates with other law enforcement officers to solve complex mysteries. The character is portrayed by actor Douglas Henshall, who brings depth and nuance to the role. Throughout the series, DS Nelson faces personal and professional challenges, making him a relatable figure in the world of crime drama. His interactions with local residents and fellow detectives add richness to the storyline.