Mr. Randall, I'm Donovan from the sentinel.

3 seconds sound clip from the When Worlds Collide (1951) movie soundboard.

You can hear this line at 00:08:19.533 in the Blu-ray version of the movie.

Quote context

[...]

- We're to go straight to the observatory.

- This is better than having a motorcycle escort.

- You'll need a pass to get out of the building. The pass.

- Thank you.

- You're welcome.

- Right this way, Mr. Randall.

- Mr. Randall, I'm Donovan from the sentinel.

- Some other time.

- We've raised our offer to $7500. Here's a check to your order.

- No, thanks. I'm working on a better offer.

- I can't imagine how the Sentinel even had a hint about your errand, but it's difficult to keep secrets from the newspapers.

[...]