David Mardel is a fictional character featured in Luther.
David was a police officer in the Metropolitan Police Service. He held the rank of police constable.
David appears in S01E02, in which he and a few other constables alongside DCI John Luther respond to the shooting of PC Jenny Hanson. Hanson had been shot in broad daylight and survived, and Luther quickly deduces that the shooting was a trap. Unfortunately, he was too late as Owen Lynch began to open fire on the responding officers just as Luther told them to run. David was shot in the neck and succumbed to his wounds. A number of other officers were shot as well.
- In the show, Mardel is only credited with his surname. However, his first name is revealed in the episode script.