Sorry I've kept you so late here tonight.
5 seconds sound clip from the House of Wax (1953) movie soundboard.
You can hear this line at 01:10:17 in the Blu-ray version of the movie.
Quote context
[...]
- Can do.
- Deepen those lines around the corner of the mouth. Not too much. There. There, that's better.
- What I wouldn't give to have those fingers of yours.
- Sorry I've kept you so late here tonight.
- Oh, that's all right. Miss Allen is meeting me here.
- It's her birthday. We're going to celebrate at Chiles'.
- I was worried about her. The shock of finding that murdered girl gave her some strange ideas.
[...]