Marilyn Monroe was often expected to provide her own wardrobe, a common practice in Hollywood at the time. The sweater with the grey body and black sleeves that she wears worn previously in The Fireball (1950) and in the final scene in All About Eve (1950).
Despite retrospectively being dubbed a "Marilyn Monroe movie" when sold on home video, Monroe only appears in the film for around four minutes total.
Aside from the much commented on real life age difference - 32 years - between on-screen brother and sister, Jeffrey Lynn and Melinda Casey, Lynn was also only seven years younger than his on-screen mother, Barbara Brown.
This film was a success at the box office, earning MGM a profit of $195,000 according to studio records.
While a MGM movie, the scene at the cave-in has a ambulance with "Warner's" written on it.