William G. Schilling was originally announced as Littmeyer.
The episode title has an extra layer of meaning. The character of Ben Littmeyer is played by famous comedian, Dick Martin, of the comedy team Rowan and Martin, famously star hosts of the '60s hit TV comedy "Laugh In."
When Harry and Sally go to the bus depot to retrieve Harry's post coat, the attendant states he does not have the coat just before another man comes into scene wearing Harry's coat. However, just before that, one can clearly see Harry's coat hung on a rack just behind the bus depot counter.