I had an unusual role—I portrayed my own mother’s father. Michael Curtiz directed Yankee Doodle Dandy, with the screenplay by Robert Buckner, Edmund Joseph, Julius J. Epstein and Philip G. Epstein. The cast includes James Cagney, Joan Leslie, Walter Huston, Richard Whorf, Irene Manning, George Tobias, Rosemary DeCamp and Jeanne Cagney. The film presents a biographical account of the life of George M. Cohan—played here by Cagney—who was known for his work as a musical composer, playwright, actor, dancer, and singer. As is typically recommended when viewing biographies, it’s worth looking into details about the actual person to gauge how accurate the depiction is. It's an exceptionally lively film that really should be seen now. The movie doesn't shy away from patriotic displays; it was clearly intended as a morale booster and served as something like a recruitment advertisement for the war effort, where George Cohan’s contributions were celebrated. While his singing wasn’t particularly impressive, Cagney’s dancing is fantastic, and he brings energy to every scene. Energetic musical numbers help make up for the film's length, and even I, as someone from Britain, found myself appreciating its enthusiastic tone at the end. It earns a rating of 8/10.

Source on TMDB