"He went immediately to a megaphone and called out: 'Everybody stop what you're doing! We're going to sing Happy Birthday!'... And the little girl had a birthday she will never forget because Tom Hanks sang at the top of his lungs... Happy Birthday to her at Disneyland on Main Street." Saving Mr. Banks director John Lee Hancock reveals his star Tom Hanks gave an eight-year-old extra a birthday surprise by having the cast and crew sing to her on set.