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