According to Hedda Hopper's column of August 28, 1955, director William A. Wellman was planning to cast Vivian Vance and William Frawley (the Mertzes in I Love Lucy) to play a married couple in a single scene for this film.
After Skeeter has placed Lady in the cage in the back of the pickup, Skeeter closes the tailgate and the pickup immediately drives away. This pickup is from a time when the tailgate was held shut by hooks on each side that are held in place on the ends of chains. To close the tailgate it was necessary to put those hooks in place or the tailgate would fall open. Skeeter had no time, and had made no effort to use these hooks.