who played marty's daughter in back to the future 2
List of Back to the Future characters Marty (Jr.) and Marlene McFly (both portrayed by Michael J. Fox) are Marty McFly and Jennifer Parker's future fraternal twin son and daughter in Part II.
List of Back to the Future characters Jennifer Jane Parker is the girlfriend (and, in 2015 in Back to the Future Part II, the wife) of Marty McFly.