- Mister, what's the matter?
- And who the hell are you?

7 seconds sound clip from the Of Cooks And Kung Fu (1979) movie soundboard.

You can hear this line at 00:44:23 in the Blu-ray version of the movie.

Quote context

[...]

- Hey, grandpa. Morning.

- Why didn't you practice? Where the hell have you been all morning?

- Nowhere much, went for a walk that's all.

- He's in there. This is the place, he's in there.

- Who are these men? Do you know who they are?

- No idea.

- That's him, he's the one.

- Mister, what's the matter?

- And who the hell are you?

- He's my grandpa.

- Grandpa? You bastard. So you have to use your grandpa to protect you?

- If he's done wrong, please forgive him. I'll deal with him.

- What? Forgive this one? Do you hear that?

- Yeah, he's asking for it.

- I think he's a fool.

[...]