- I didn't expect you back so soon.
- I'm afraid I've to go out again.
- Oh. When will you be back?
- I can't say for sure.

8 seconds sound clip from the Horror of Dracula (1958) movie soundboard.

You can hear this line at 01:02:41.208 in the DVD version of the movie.

Quote context

[...]

- Are you ready?

- She's not there, sir.

- Not there?

- No, sir.

- Good morning.

- Mina, you gave me quite a fright. Where have you been at this hour of the morning?

- It was such a lovely day, I got up early and went for a walk in the garden.

- I didn't expect you back so soon.

- I'm afraid I've to go out again.

- Oh. When will you be back?

- I can't say for sure.

- Mina, you look pale. Are you all right?

- Arthur, darling, don't fuss. I feel perfectly well. Goodbye, darling.

- Perhaps you'd better let me lead the way, I know these steps, they can be dangerous. We don't want to have an accident, do we? No, we don't.

- You know, an old man came here once to see his dear departed and he fell down these stairs. It was quite amusing. He came to pay his last respects and he remained to share them. Oh, quite amusing, yeah.

[...]