Shown the house where writer Henry James (whom her husband confuses with band leader Harry James once lived), the culturally challenged Frenchy announces that James was author of The Heiress (which she mispronounces as "hair-ess"). In reality, The Heiress was the title of the screen versions of James' novel - and a play based upon it - called Washington Square. James never wrote anything called The Heiress.
When Denny, Ray, Tommy and Benny first begin digging the tunnel, while discussing who can use the drill, Denny appears to call Ray (played by Woody Allen) Woody. However, after Ray has just said to Denny "Whaddya mean?", Denny starts to repeat Ray's question, saying "Whaddy... I don't know how to work a drill like that."