- Carl Maia! It isn't you!
- What's left of me, Dr. David Reed.

6 seconds sound clip from the Creature from the Black Lagoon (1954) movie soundboard.

You can hear this line at 00:06:09.086 in the Blu-ray version of the movie.

Quote context

[...]

- I'm sure you scared all the fish away.

- At the depths he's working, Doctor, the fish won't hear a thing, believe me.

- Ah. There he is. See him?

- What's he waiting for?

- He's getting used to the change in pressure.

- Ah. Here he comes.

- Hi.

- David. David, I have a surprise for you.

- Yeah?

- Carl Maia! It isn't you!

- What's left of me, Dr. David Reed.

- The last I heard of you, you were up in the Amazon someplace digging for old skeletons and things.

- And you two were doing research for an aquarium in California.

- What are you doing in Brazil?

- Oh, we've been guests at your institute for a month now.

[...]