Considering that she had one of the worst names of any actor ever, ZaSu Pitts had a pretty good career doing character roles in movies from around 1920 until 1963. One of her last jobs was a brief cameo in It's a Mad, Mad, Mad, Mad World.
Her unique first name was an amalgam of Eliza and Susan, and she pronounced it "zay-soo" while everyone else seems to have pronounced it "zaz-ooh." In about 95% of her roles, she played a panicky, nervous lady. Here she is in a commercial, being panicky and nervous over a paucity of Kellogg's Corn Flakes. Fortunately, she has stock footage to come to her rescue…