In Vincente Minnelli's autobiography, he says that Robert Mitchum was very uncomfortable in the role of the sensitive Michael.
For years there were stories that Katharine Hepburn and Robert Mitchum didn't get along. One day she told him, "You know you can't act, and if you hadn't been good looking you would never have got a picture at all. I'm tired of working with people like you who have nothing to offer." However, Mitchum told Dick Cavett in a TV interview that this story is completely apocryphal as he and Hepburn got along famously.
MGM originally told Laraine Day that if she played the female lead in Keep Your Powder Dry (1945) it would reward her with the female lead in Undercurrent (1946). Although she kept her part of the bargain and appeared in that production, MGM failed to fulfill its promise and gave the lead to Katharine Hepburn. Day responded by asking for and receiving a release from her MGM contract in 1946.
The theme played several times on the piano is the main theme from the third movement of Brahms' third symphony.
This film was a hit at the box office, earning MGM a profit of $1,001,000 (about $15.5M in 2022) according to studio records.
Contribute to this page
Suggest an edit or add missing content
