Yankee Doodle Dandy
James Cagney as George M Cohan
Irish-American Cagney played the Irish-American Cohan, singing in a half-sing/half-reciting style. The songwriter leaves the family act, is black-listed and had difficulty. Until he teams up with a new producer and he becomes a success.
In the scene where Cohan dances down the stairs, Cagney performed the step down dance with no rehearsal and completed in one take.
James Cagney http://en.wikipedia.org/wiki/James_Cagney
Joan Leslie http://en.wikipedia.org/wiki/Joan_Leslie