The Happiest Millionaire is a 1967 musical movie, based upon the true story of Philadelphia millionaire Anthony J. Drexel Biddle. The movie received an Academy Award nomination for Costume Design by Bill Thomas. The musical song score is by Robert and Richard Sherman. The screenplay is by AJ Carothers based on the play that was based on the book "My Philadelphia Father" by Cordelia Drexel Biddle. This was the last live-action musical comedy movie produced by Walt Disney, who died during its production.