Princess Anne

Princess Anne was a member of the British Royal Family. When the Tenth Doctor theorised that the Royal Family might be werewolves after Queen Victoria's encounter with a Lupine Wavelength Haemovariform in 1879, Rose Tyler initially doubted this, but then said, "Mind you, Princess Anne." (TV: Tooth and Claw)

Norton Folgate believed that Princess Anne had an equine face. (AUDIO: The Unbegotten)

Behind the scenes
Princess Anne is the daughter of Queen Elizabeth II and Prince Philip, the younger sister of King Charles III, and the aunt of William, Prince of Wales. She was portrayed by Alexandra Moen in the telefilm Whatever Love Means and Elizabeth Berrington in Spencer.