Jessica Parker Kennedy (born October 3, 1984) is a Canadian actress. She portrayed Nora Allen II in the Supergirl episode "", who later reappears in The Flash episodes "", "Enter Flashtime", "Therefore She Is" and "" in the fourth season.
- On the set, Kennedy is known as Mystery Girl.
- Kennedy also portrayed Plastique on Smallville.
- Despite portraying their daughter, Kennedy is older than both Grant Gustin and Candice Patton.