I want to know one thing, sir. Are you absolutely positive that Don Medina's dread is unwarranted?

11 seconds sound clip from the The Pit and the Pendulum (1961) movie soundboard.

You can hear this line at 00:37:47 in the Blu-ray version of the movie.

Quote context

[...]

- What do you mean?

- Someone, I fear, has discovered Nicholas' secret and is using it as a terrible advantage. A servant, perhaps.

- I could almost more easily believe that...

- That what, Dona Medina?

- Nothing. I spoke without thought.

- I want to know one thing, sir. Are you absolutely positive that Don Medina's dread is unwarranted?

- If Elizabeth Medina walks the corridors of this castle, it is her spirit, not her living self.

(Sea waves) (2)

- Where did it come from?

- Elizabeth's room.

- What is it, child?

[...]