Well, you've been most helpful.
4 seconds sound clip from the The Big Heat (1953) movie soundboard.
You can hear this line at 00:07:43.513 in the Blu-ray version of the movie.
Quote context
[...]
- Well, that depends on the circumstances.
- There weren't any circumstances.
- Everything Tom ever did was clean and wholesome. That's the kind of man he was.
- Do you know why he took his life?
- When I suggested he see the police surgeon, he'd make excuses. I think he was afraid to.
- Then he didn't see a doctor?
- Well, you've been most helpful.
- Now look, if there's anything you need, anything at all, you get in touch with us, huh?
- How about putting the paper down and helping?
- Yeah. How you manage steaks on my salary...
- You know, downtown, they just don't believe me.
- Tell them you married an heiress.
[...]