Julie Andrews’s first film role as Mary Poppins may be the most representative of her career Dame Julie Andrews, who turns 90 on October 1, is not so much a national treasure as the Bank of England.

Born on Oct. 1, 1935 in Surrey, England, Julie Andrews began performing from a young age with her mother and stepfather, who were both Vaudeville performers. The rest, as they say, is history. In the ...