Driver, will you keep an eye on him, please? I won't be but a minute.
5 seconds sound clip from the Harvey (1950) movie soundboard.
You can hear this line at 00:20:37.194 in the Blu-ray version of the movie.
Quote context
[...]
- Hmm? Oh... Random House. No, no, deluxe edition.
- Chapter One. The family of Dashwood had been long settled in Sussex.
- Will you wait here for me, Elwood, dear?
- You want both of us to wait, Veta?
- Oh, yes, Elwood, both of you.
- Driver, will you keep an eye on him, please? I won't be but a minute.
- Charming place, isn't it, Harvey?
- Oh!
- My name's Dowd, Elwood P. Here, let me give you one of my cards.
- If you happen to lose the card, don't worry, I have plenty more.
[...]