The Best Man (1964 film)

The Best Man is a 1964 political drama film directed by Franklin J. Schaffner with a screenplay by Gore Vidal based on his play of the same title. Starring Henry Fonda, Cliff Robertson, and Lee Tracy, the film details the seamy political maneuverings behind the nomination of a presidential candidate. The supporting cast features Edie Adams, Margaret Leighton, Ann Sothern, Shelley Berman, Gene Raymond, and Kevin McCarthy.

William Russell Fonda and Joe Cantwell Robertson are the two leading candidates for the presidential nomination of an unspecified political party. Both have potentially fatal vulnerabilities.Russell is a principled intellectual believed by many critics and fans to be based on Adlai Stevenson. A sexual indiscretion has alienated his wife Alice Margaret Leighton. In addition, he has a past nervous breakdown to live down. ........

Source: Wikipedia