Landslide: A Portrait of President Herbert Hoover is a TV movie starring Harry Smith, Jonathan Alter, and Calvin Coolidge. This one-hour documentary explores the facts and fictions behind the presidency of Herbert Hoover including... Actors who played in the movie Harry Smith, Jonathan Alter, Calvin Coolidge, Timothy Egan, Herbert Hoover.You are watching the movie Landslide: A Portrait of President Herbert Hoover produced in USA belongs.