- No. No, I'm not looking for anybody.
- Then what are you, a checker?
- Well, what's a checker?

6 seconds sound clip from the Criss Cross (1949) movie soundboard.

You can hear this line at 00:16:41.043 in the DVD version of the movie.

Quote context

[...]

- You the new man around here?

- Depends on what you mean by 'new.'

- Where's Harry?

- Harry who?

- Harry used to be the bartender. Worked here.

- Must've been before my time.

- You want a beer?

- Does the old crowd still come in here?

- Lots of people come in here nighttimes. Depends on which old crowd you mean.

- Hey, mister.

- Yeah?

- You looking for some special party?

- No. No, I'm not looking for anybody.

- Then what are you, a checker?

- Well, what's a checker?

- Are you an investigator for the state liquor board?

- I never even heard of them.

- Well, if you're not lookin' for anybody, and if you're not a checker like you say you're not, what are you tryin' to strike up a conversation for?

- Let's have some nickels, huh?

- Swell-looking, well-built man like that, a checker.

[...]