How can you be so sure?
2 seconds sound clip from the Isle of the Dead (1945) movie soundboard.
You can hear this line at 00:42:01.052 in the Blu-ray version of the movie.
Quote context
[...]
- It's impossible. I'm flesh and blood. I remember my mother and father.
- Sometimes at night, I tend her. I help her when she feels ill. I loosen the nightgown at her throat.
- At her throat. That you remember.
- Can you remember dreams? Can a Vorvolaka in her human form remember the evil that she did at night?
- It is best that you stay away from the others.
- Before? Before I came to work for you?
- Yes, I was ill for a long time before.
- But since I came, you've been worse?
- Yes, that was to be expected.
[...]