It's going to be rough because the Krauts are expecting a move like this and they've put on extra guards.
4 seconds sound clip from the Stalag 17 movie soundboard.
You can hear this line at 01:46:14.101 in the Blu-ray version of the movie.
Quote context
[...]
- And if we'd sleep in the mud for the rest our lives, that was okay by him.
- Now, let's have it understood. This is gonna be a rough deal, but we've got no choice.
- One of us is gonna have to take Dunbar out of the camp tonight.
- We'll draw one dog tag. The guy who goes with it does the job.
- Now, if anybody wants to withdraw, speak up.
- Everybody but Joey and you-know-who.
- All right. Who's the lucky one?
- Suppose we call this my tag, I'll take him out.
[...]