- Who is she?
- None of your business. I won't say a word.

4 seconds sound clip from the The Cocoanuts (1929) movie soundboard.

You can hear this line at 01:02:06.203 in the DVD version of the movie.

Quote context

[...]

- Isn't it possible that the gentleman who bought this lot might know something about it? Why was he so anxious to buy it?

- How about it, you? Why did you buy this lot?

- None of your business.

- He is a desperate character.

- Mother, he isn't.

- Whenever a young fella shuts up and won't say anything, I've noticed it's generally on account of a woman.

- Who is she?

- None of your business. I won't say a word.

- You won't say anything.

- This guy's letting on to be a dummy.

- This bird you can't understand when he does talk.

- Is there anybody here who will talk?

- I will, but I can't think of anything.

[...]