- You don't mind me calling you my dear Topaze, do you?
- It would be an honour.

5 seconds sound clip from the Mr. Topaze (1961) movie soundboard.

You can hear this line at 00:58:18 in the Blu-ray version of the movie.

Quote context

[...]

- How about women. Hmm? Surely you have a mistress, haven't you? Or some little girls tucked away somewhere, hmm, hmm? Naughty boy!

- No, sir, no, no. You see, one day I hope to marry, and when that day comes, I shall approach my wife untarnished.

- Oh, that's good. That's very good, yes. Your wife should be very pleased.

- Now come along, my dear Topaze.

- Come in, gentlemen.

- You don't mind me calling you my dear Topaze, do you?

- It would be an honour.

- Why don't we sit down there?

- Thank you.

- For what we are about to receive, may the Lord make us truly grateful.

- Well now, I'm going to start a new company. In Paris, of course.

- And as I'm overladen with work, I need an assistant.

[...]