The Happiest Millionaire is a 1967 American musical film starring Fred MacMurray, based upon the true story of Philadelphia millionaire Anthony Drexel Biddle. The film, featuring music by the Sherman Brothers, was nominated for an Academy Award for Best Costume Design by Bill Thomas. The screenplay by A. J. Carothers was adapted from the play, based on the book My Philadelphia Father by Cordelia Drexel Biddle. Walt Disney acquired the rights to the play in the early 1960s. The film was the last live-action musical film to be produced by Disney before his death on December 15, 1966.

Plot

In autumn of 1916, Irish immigrant John Lawless (Tommy Steele) has applied for a butler position with eccentric Philadelphia millionaire Anthony J. Drexel Biddle (Fred MacMurray). Even though the family is a bit strange, Lawless soon learns that he fits right in. Mr. Biddle takes a liking to him immediately.