Aidan Gallagher (born September 18, 2003) is an American actor, best known for his role as Nicky Harper on the Nickelodeon series Nicky, Ricky, Dicky and Dawn (2014-2018).
Marty McFly is Doc Brown's friend, a scientist who has built a time machine. As the two test the artifact, a fortuitous mistake brings Marty to 1955, the year his parents were in high school and had not yet met.
