Who's there? Ellen? No, you're not Ellen. You're dressed in her clothes, but you're not Ellen.

17 seconds sound clip from the It Came from Outer Space movie soundboard.

You can hear this line at 01:10:47.835 in the Blu-ray version of the movie.

Quote context

[...]

- All right, men, follow me!

- All right, men, spread out across the road. Throw some flares up in the front, and put some in the back, there.

- There's his truck.

- That's it, put another one over there.

- All right. Check your guns and check your ammunition now. He'll be coming any minute.

- Here he comes now. Hold your fire. Get ready.

- All right. Let him have it.

- Who's there? Ellen? No, you're not Ellen. You're dressed in her clothes, but you're not Ellen.

- They're on their way here. You brought them.

- Listen to me. I came here to warn you. I tried to stop them, you don't know how I tried. You've got to get out.

- Just a few more hours.

- Listen to me.

[...]