Jessica Parker Kennedy (born October 3, 1984) is a Canadian actress. She portrayed Nora West-Allen/XS in and .
- "" Nora West-Allen (special appearance by)
- On the set, Kennedy's character was known as "Mystery Girl" until she was finally revealed as Nora West-Allen.
- Kennedy also portrayed Plastique in Smallville.
- Despite portraying their (grown-up) daughter, Kennedy is older than both Grant Gustin and Candice Patton, 31 and 33 respectively, while Kennedy is 37.
- Jessica Parker Kennedy has previously worked with Danielle Panabaker on the movie, Nearlyweds.