March, 1998 (age 37)
Head of the Goblin Liaison Office
He attended Hogwarts School of Witchcraft and Wizardry in the 1970s, becoming a favourite student of Potions Master Horace Slughorn. One of Dirk's most notable traits is his fluency in Gobbledegook. After graduating, he went to work at the Ministry and eventually became Head of the Goblin Liaison Office, succeding Cuthbert Mockridge. Many of his colleagues, such as Arthur Weasley, considered him a great wizard. When the Ministry was taken over by Lord Voldemort, Dirk attempted to use a forged family tree in order to claim wizarding heritage, but was discovered by Albert Runcorn. He went on the run to avoid the Muggle-Born Registration Commission, but was eventually caught and killed by Snatchers.
- "But before we hear from Royal and Romulus let's take a moment to report those deaths that the Wizarding Wireless Network News and Daily Prophet don't think important enough to mention. It is with great regret that we inform our listeners of the murders of Ted Tonks and Dirk Cresswell. A goblin by the name of Gornuk was also killed. It is believed that Muggle-born Dean Thomas and a second goblin, both believed to have been traveling with Tonks, Cresswell, and Gornuk, may have escaped."
- —Lee Jordan announces Cresswell's murder in Potterwatch.