Special Guest Stars Paul Winfield as Emmett Rogers Sr. Guest Stars Harry Morgan as Harry S. Truman Celeste Holm as Florence Harding Victor Buono as William Howard Taft Robert Vaughn as Woodrow Wilson George Kennedy as Warren G. Harding Claire Bloom as Edith Bolling Galt Wilson John Anderson as Franklin D. Roosevelt Estelle Parsons as Bess Truman Lee Grant as Grace Coolidge Andrew Duggan as Dwight D. Eisenhower Ed Flanders as Calvin Coolidge Julie Harris as Helen (Nellie) Taft Eileen Heckart as Eleanor Roosevelt Jan Sterling as Lou Hoover Larry Gates as Herbert Hoover Kim Hunter as Ellen Axson Wilson Barbara Barrie as Mamie Eisenhower