Donna Noble played by Catherine Tate
Donna Noble worked at HC Clements with her fiancé, Lance. Unbeknown to her over time Lance had been lacing her drink with Huon particles. On her wedding day the particles in her body were drawn to the TARDIS, which was in orbit, and she was transported inside, to the surprise of the Doctor.
Donna is a loud character and often stood up to the Doctor. After Lance's death he offers her a chance to take a trip in the TARDIS, but she refuses, although they are destined to meed again soon.