Boom mikes are visible poking into scenes at least two times in this film. One instance is when Jack Lemmon and Sandy Dennis are walking down a path in Central Park and a moving boom mike briefly comes into view at the bottom of the screen. In another instance, they go for refuge inside a church and a boom mike descends into view and then quickly ascends.
Hey Stainaged! Do you know what they're doing these days? A new fangled thing called REMAKES! The Goldie Hawn/ Steve Martin version of the Out of Towners is NOT the original.