- Who is he?
- I have no idea.

3 seconds sound clip from the Invasion of the Body Snatchers (1956) movie soundboard.

You can hear this line at 00:20:38.048 in the Blu-ray version of the movie.

Quote context

[...]

- Quit acting like a writer.

- What's going on?

- Maybe you can tell me. You're the doctor.

- Miles, put the light on over the pool table.

- Go on pull it down.

- Well, what do you make of it?

- Who is he?

- I have no idea.

- Its face, it's vague.

- It's like the first impression that's stamped on a coin. It isn't finished.

- You're right. It has all the features, but no details, no character, no lines.

- It's no dead man.

- Have you got an ink pad around the house?

- There should be one in the desk, why?

- I wanna take the corpse's fingerprints.

- Of course it's a dead man what else could it be?

[...]