Don't worry, we're not going to broadcast it.
4 seconds sound clip from the Casablanca (1942) movie soundboard.
You can hear this line at 00:24:24 in the Blu-ray version of the movie.
Quote context
[...]
- Rick is completely neutral about everything. And that takes in the field of women too.
- You were not always so carefully neutral. We have a complete dossier on you.
- Richard Blaine, American. Age: 37. Cannot return to his country.
- The reason is a little vague.
- We also know what you did in Paris. And also we know why you left Paris.
- Don't worry, we're not going to broadcast it.
- You will forgive my curiosity, Mr. Blaine.
- My interest in whether Victor Laszlo stays or goes is purely a sporting one.
[...]