First, Charlton Heston is one of "The Last Hard Men" in this gritty western, portraying a lawman who becomes the target of a chain gang fugitive (James Coburn) and his tough associates. Believing Heston is responsible for the death of his wife, the half-Indian convict targets Heston's daughter for abduction. With Barbara Hershey, Michael Parks. Next, Coburn recruits some professional hang gliders in a daring attempt to rescue his ex-wife. The muscular thriller "Sky Riders" co-stars Robert Culp, Susannah York. AKA: "Assault on the Hidden Fortress." 189 min. total. Widescreen; Soundtrack: English Dolby Digital mono.