You were gonna slit the throat of that stoolie. Here's the knife to do it with. Only make sure you got the right throat.

— J.J. Sefton (William Holden)

9 seconds sound clip from the Stalag 17 movie soundboard.

You can hear this line at 01:48:15.389 in the Blu-ray version of the movie.

Quote context

[...]

- Two packs of cigarettes say Dunbar never gets out of the compound.

- Are you starting that again?

- Anybody cover?

- Somebody step on that crumb.

- We warned you, Sefton.

- Sure you warned me.

- You were gonna slit the throat of that stoolie. Here's the knife to do it with. Only make sure you got the right throat.

- We're looking at it.

- Hurry up on that door.

- What are you trying to do, gum up the works?

- That's right.

- Or would you rather see Dunbar lying out there in the mud in the morning, like Manfredi and Johnson?

[...]