The Hollywood superstar was walking his dog near the Hudson River when he was approached by the couple. They apparently needed help getting around New York City.
"He was walking along with a friend and his dog, just strolling and right before sunset and an old couple was looking around and he walked up to them. It looked like they needed help.
"Then he pulled out his phone and showed them something on his phone. Then he reached out and pointed them in the direction to go and they went on their way," an onlooker told People.
"People had been asking him for selfies but this couple didn't seem to know who he was," the onlooker added.