The Great Man Votes

The Great Man Votes is a 1939 American drama film starring John Barrymore as a widowed professor turned drunkard who has the deciding vote in an election for mayor. It was based on the short story of the same name by Gordon Malherbe Hillman published in the November 1933 issue of American Magazine. The plot of the 2008 movie Swing Vote has been compared to The Great Man Votes.

Source: Wikipedia