Pippo is thrown off the balcony by The Real Casanova, and when he bounces on the cemented flagstones in the street, one of the flagstones bounces with him.
When Pippo swoons from kissing Beatrice D'Brizzi, actress Joan Shawlee who plays Beatrice looks off-camera and smiles, breaking character, apparently amused over Bob Hope hamming up his swoon and ad libbing. Similarly, Joan Fontaine visibly cracks up during her initial scene with Hope.