And if, my dear Pepi, you double-cross me, it'll be a very long while before you give your next piano recital.
8 seconds sound clip from the The Return of the Pink Panther (1975) movie soundboard.
You can hear this line at 01:10:14.969 in the Blu-ray version of the movie.
Quote context
[...]
- You have to have a special pass.
- It's out of the question. If I go to the Fat Man to buy a special pass he wants to know the reason.
- Then tell him that I've threatened your life, unless you help me to get across the border.
- What if he doesn't believe me?
- I'm sure you'll be able to convince him.
- Yes?
- You asked me to keep you informed of Lady Litton's activities.
- Yes.
- Well, she's going skiing at 2:00.
- Psst. How long have you been a bellboy?
- Keep up this good work and very soon I will see to it that you become a bellman.
- I've changed my mind about the skiing. I'm going to the tennis matches instead.
[...]