Possible Clues:

• Repress, in a way
• Peace signs primarily line Reformed church
• Characteristic of this puzzle's circled letters, which suggest a 1991 Oscar-winning film
• Gag — its reception from hostile audience?
• It's quiet seeing as the French are inside
• The French go in, because it's so quiet
• Absolute quiet
• Gag made by the Italian during comic scene
• Mum turning less nice after leaving son
• Absence of racket that may be required in court