Roger Thornhill (Cary Grant) is an ad man, not a spy—but try telling that to the mysterious cabal pursuing him across the country. Screenwriter Ernest Lehman set out to write “the Hitchcock film to end all Hitchcock films,” and maybe he did—from its crop-duster chase to its Mount Rushmore climax, this espionage essential contains some of the director’s most legendary set pieces, originally shot in high-resolution, widescreen VistaVision.