Till skillnad från andra filmer från den tiden, filmades Niagara i "Three-Strip" Technicolor (en av de sista filmerna som gjordes på Fox i det formatet, några månader senare började Fox konvertera till CinemaScope, som hade kompatibilitetsproblem med "three-strip" men inte med Eastmancolor).
Unlike other film noirs of the time that were filmed in black and white, Niagara was filmed in "three-strip" Technicolor (one of the last films to be made at Fox in that format, as a few months later Fox began converting to CinemaScope, which had compatibility problems with "three-strip" but not with Eastmancolor).WikiMatrix WikiMatrix