Rose Loomis and her older, gloomier husband, George, are vacationing at a cabin in Niagara Falls, N.Y. The couple befriend Polly and Ray Cutler, who are honeymooning in the area. Polly begins to suspect that something is amiss between Rose and George, and her suspicions grow when she sees Rose in the arms of another man. While Ray initially thinks Polly is overreacting, things between George and Rose soon take a shockingly dark turn.
Yes! The movie Niagara is now on Disney Plus in the countries listed below.
| Writing | Charles Brackett | Writer |
| Writing | Walter Reisch | Writer |
| Production | Charles Brackett | Producer |
| Directing | Henry Hathaway | Director |
| Writing | Richard L. Breen | Writer |
| Sound | Sol Kaplan | Original Music Composer |
| Camera | Joseph MacDonald | Director of Photography |
| Editing | Barbara McLean | Editor |
| Costume & Make-Up | Dorothy Jeakins | Costume Design |
| Art | Lyle R. Wheeler | Art Direction |
| Art | Stuart A. Reiss | Set Decoration |
| Art | Maurice Ransford | Art Direction |
| Sound | Lionel Newman | Music Director |
| Costume & Make-Up | Ben Nye | Makeup Artist |
| Costume & Make-Up | Charles LeMaire | Costume Design |
| Crew | Polly Burson | Stunts |
| Editing | Leonard Doss | Color Timer |
| Costume & Make-Up | Lynn F. Reynolds | Makeup Artist |
| Costume & Make-Up | Allan Snyder | Makeup Artist |
| Sound | Roger Heman Sr. | Sound |
| Costume & Make-Up | Lillian Ugrin | Hairstylist |
| Costume & Make-Up | Sam Benson | Costume Supervisor |
| Sound | Edward B. Powell | Orchestrator |
| Directing | Rose Steinberg | Script Supervisor |
| Sound | W. D. Flick | Sound |
| Visual Effects | Ray Kellogg | Visual Effects |
| Editing | Lyman Hallowell | Assistant Editor |
