Mystery guest Anne Bancroft was able to stump the panelists
Anne Bancroft had recently married Mel Brooks on August 5, 1964, and her film The Pumpkin Eater (1964) had just premiered in New York City the previous week.
Luis Miguel Dominguín's rivalry with his brother-in-law Antonio Ordóñez was described in Ernest Hemingway's nonfiction book 'The Dangerous Summer', published posthumously in 1985 yet written in 1959 and 1960. It has been cited as Hemingway's last book.