Video of the encounter shows Hanks greeting the shocked bride and groom as they were getting their wedding pictures taken in Central Park. Hanks kissed the bride's hand in the video. He declined an invite to the reception, but joked that he would officiate the wedding if need be.
Hanks became an ordained minister to officiate actress Allison Williams' wedding last year.
Hanks took a selfie with the couple on his phone before continuing on his run. He posted the picture on Instagram and wished the couple "Congrats and blessings!"