My Fellow Americans (1996)
My Fellow Americans is a 1996 American comedy film starring Jack Lemmon and James Garner as feuding ex-presidents. Dan Aykroyd, Lauren Bacall, Esther Rolle, John Heard, Wilford Brimley, Bradley Whitford and Jeff Yagher are also in the cast. The film is named for the traditional opening of Presidential addresses to the American people.
More at Wikipedia.