- How many men in your party, corporal?
- Well, I don't really know, sir.
- You don't know?
- Well, sir, 12, usually but...

8 seconds sound clip from the The Bridge on the River Kwai movie soundboard.

You can hear this line at 01:05:58.631 in the Blu-ray version of the movie.

Quote context

[...]

- In honor of this occasion I have given your troops a day of rest.

- Many thanks.

- I am declaring a general amnesty. You and your officers may return to your quarters.

- As part of this amnesty it will not be necessary for officers to do manual labour.

- He's done it!

- Somebody deserves a medal, sir.

- How many men in your party, corporal?

- Well, I don't really know, sir.

- You don't know?

- Well, sir, 12, usually but...

- Well, one of the men took sick very suddenly this morning, sir, and, well, it took 3 or maybe 4 of the others to help him to hospital, sir. And, uh. Oh, he was took terrible sick, sir.

- A corporal should always know exactly how many men he has under him at all times.

- Oh, yes, sir.

- Have you a nervous affliction? If not, stop making those faces at once.

- It may be funny and I'm sure it's done with the best motives but it's not military behaviour.

- No, sir.

[...]