Rita Hayworth was pregnant during production. As a result, the musical numbers were filmed first, before the pregnancy began to show. As filming progressed, great care was taken to hide her growing belly with muffs, furniture and purses.
The Bible verse Paul had marked using Rosalind's picture is 1 Corinthians 7:9.
Based on the Broadway play "Heart of the City" that opened at Henry Miller's Theatre, 124 W. 43rd St., on February 12, 1942 and ran for 28 performances.
Mrs. Tolliver mocks Tommy (played by Marc Platt) during his audition by calling him Nijinsky who was perhaps the best known professional dancer in the world at the time, notable for his performances with the Ballet Russes in Monte Carlo. In actuality, Platt was a founding dance member of the Ballet Russes de Monte Carlo (a program inspired by and following Nijinsky's time in Monte Carlo). Platt would go on to win the Nijinsky Award in 2000 for his career as a dancer and relation to the troupe.