- Channel Hop: With the advent of television, Paramount sold the rights to Universal Studios in 1958 for the film to be shown on the airwaves. Ever since then, The Heiress has been distributed on VHS and DVD by Universal Home Entertainment.
- Creator Backlash: Montgomery Clift was so unhappy with his performance, he walked out of the Premiere.
- What Could Have Been: Cary Grant was interested in playing Morris Townsend, but William Wyler turned him down. Errol Flynn was also considered.
- Working Title: Washington Square.