The trailer for this film includes a specially shot scene of 'Margaret O'Brien' visiting with Spencer Tracy. Tracy tells the child star he never wants to make a movie with her because she's too good for him!
When Martinius and Bruna have gone over the revenue from the potato harvest, talk turns to the new barn and the needed lumber being controlled by the "WPB". Audiences at the time would know that meant the War Production Board. Established in January 1942, this agency of the federal government was tasked with converting the economy to war production and controlled vital materials and their distribution via rationing, ran scrap drives, controlled wages and prices, and more.
The role of Arnold was played by then very popular child star Jackie 'Butch' Jenkins. On the original one-sheets, "Butch" appear in letters that were twice the size of the font used for the rest of his name and the names of the other supporting actors.