That older woman was Director Rob Renner's Mother in a cameo.
Can't remember if it was Animal Crackers but Groucho Marx had two sexy lines that pushed the limits.
"You don't know how good you have it in school, going to the Principal"s office and getting a spanking from a stern middle aged woman...stuff you have to pay good money for now"
"A man that thinks he can see through a woman is missing a lot"