Arizona deputy sheriff Les Martin, helped by socialite Janice Kendon and barkeeper Scott O'Brien, investigates a series of brutal murders in and around the Grand Canyon. As Martin closes in on the killer, Janice is taken hostage, leading to a tense car and helicopter chase that culminates in a dramatic showdown on a miner's bucket suspended high above the canyon floor. Cast: - Cornel Wilde as Deputy Les Martin - Victoria Shaw as Janice Kendon - Mickey Shaughnessy as Scott O'Brien - Edgar Buchanan as Sheriff Edwards - Rian Garrick as Bob Kendon - Jack Elam as Bill Ward - Alexander Lockwood as Jim Kendon - Dabbs Greer as Gas Station Attendant - Tom Fadden as Eli - Wendell Holmes as Sam Houghton Runtime: 75 minutes