This is somebody else entirely.
2 seconds sound clip from the The Naked Street (1955) movie soundboard.
You can hear this line at 00:12:48.267 in the DVD version of the movie.
Quote context
[...]
- Aw, gee, that's too bad, kid.
- I've been trying to date this babe for weeks. Look, if you let me in for twenty...
- Another thing... This date tonight, is it Rosalie, Phil Regal's sister?
- No.
- 'Cause I hear you've been going with her.
- Watch your step, will you kid? You know how Phil is.
- This is somebody else entirely.
- Okay. I gotta get back in there before they rob me blind.
- I'm sorry about the dough. I'll see you later, huh?
- I knew you wouldn't have to spend a nickel.
- Hey, come on. I gotta buy a bottle. It'll only take a minute.
[...]