This exceptional film noir portrait of corruption and morally-compromised obsessions stars Welles as Hank Quinlan, a crooked police chief who frames a Mexican youth as part of an intricate criminal plot. Charlton Heston plays an honorable Mexican narcotics investigator who clashes with the bigoted Quinlan after probing into his dark past. A memorable supporting cast including Janet Leigh as Heston's inquisitive wife, Akim Tamiroff as a seedy underworld leader, Zsa Zsa Gabor and Marlene Dietrich as an enigmatic gypsy complete this fascinating drama engulfed in haunting cinematography and a magnificently eerie score by Henry Mancini.