Now, then, you'd better come along quietly.
3 seconds sound clip from the The Invisible Man (1933) movie soundboard.
You can hear this line at 00:19:00.481 in the Blu-ray version of the movie.
Quote context
[...]
- Are you satisfied now, you fools?
- A little of this injected under the skin of the arm every day for a month.
- Not if he can't get no further than this room, he won't. Here, shut that door.
- Now, then, you'd better come along quietly.
- You think I'd escape like a common criminal?
- You need a lesson. I think I'll throttle you.
[...]