Yankee Doodle Dandy
From The Art and Popular Culture Encyclopedia
Yankee Doodle Dandy is a 1942 American biographical musical film about George M. Cohan the actor / singer / dancer / playwright / songwriter / producer / theatre owner / director / choreographer known as "The Man Who Owns Broadway", starring James Cagney, Joan Leslie, Walter Huston and Richard Whorf, and featuring Irene Manning, George Tobias, Rosemary DeCamp and Jeanne Cagney.
The movie was written by Robert Buckner and Edmund Joseph, and directed by Michael Curtiz. According to the special edition DVD, significant and uncredited improvements were made to the script by the famous "script doctors" twin brothers Julius J. Epstein and Philip G. Epstein.