#11: Shelley Winters Allegedly Never Memorized Her Lines
Roseanne Barr later claimed that Shelley Winters, who guest-starred as Nana Mary, never memorized her lines when she appeared on Roseanne. According to Barr, Winters would show up on set and simply wing it during scenes.
Rather than derail things, it actually added to Nana Mary’s unpredictable energy. Shelley Winters was a legendary, old-school Hollywood star, and her anything-goes approach fit the chaotic family vibe surprisingly well. It became one more example of how Roseanne blended TV professionalism with pure, unscripted personality.