Heintje is a Dutch singer and actor, born on August 12, 1955, in the Netherlands. He gained fame in the 1960s as a child star, known for his sweet voice and charming performances. His music often features sentimental ballads, and he became popular in Germany and other European countries. In addition to his singing career, Heintje appeared in several films and television shows. His most notable film is "Heintje - Einmal wird die Sonne wieder scheinen," which showcased his talent and further solidified his status as a beloved entertainer in Europe.