Ainslie Barton is the daughter and only child of Thad Barton, the patient in the Season 8 episode Risky Business. She was portrayed by actress Alexie Gilmore. Ainslie arrives at her father's home to find him cleaning up his vandalized property. They have a disagreement both about her father's wish to move the company's production facilities to China and his refusal to contact the police over the vandalism. However, when her father starts having vision problems, she takes him to the hospital.