Laura Lethebridge Stewart

Before the Doctor
Laura was raised by her father in America, kept away from her mother and UNIT for her own protection after her brother was killed in an incident where The Doctor failed to show up. However, she did meet her mother when she was 18, about to leave for Winthrop University. Kate told her that if she ever needed help, she could call the Doctor, and that it wasn't his fault her brother was killed.

Series 10
After Laura's friend Violet was murdered ruthlessly by the Bronze Maiden, a Time Lady trapped in bronze, Laura called the Doctor, who freed the Bronze Maiden on Mercury. After they returned to Winthrop, Laura asked if she could travel along with the Doctor, who agreed.

Appearance
Laura has blondish brown hair, and is petite. She is found attractive by most men who meet her, including Michael.

Personality
Laura is easygoing most of the time, but can also be very high strung when in dangerous situations.