Although the onscreen credits say "original screenplay," a $200,000 lawsuit was filed against the screenwriters, MGM and producer Joe Pasternak by playwright Ferenc Herczeg in 1949, claiming they took the idea from his 1903 play Seven Sweethearts. Herczeg was in a Nazi concentration camp in 1942 when the film was released, and didn't hear about it until 1948. The case was settled out of court for a substantial amount.
When Regina first meets Henry, she orders creme de mure --- which is a blackberry-flavored liqueur. It is viscous and sweet and typically 30 to 40 proof.
Early news items listed Ann Rutherford, Philip Van Zandt and Douglas McPhail in the cast, but they did not appear in the film.