- If we'd only see them, we'd know what to do.
- Is there any way to make them visible?
- Not that I know. Unless it's a question of the amount of atomic radiation that's available.

9 seconds sound clip from the Fiend Without a Face (1958) movie soundboard.

You can hear this line at 01:00:59.747 in the Blu-ray version of the movie.

Quote context

[...]

- Al, give me a hand with this.

- Hey, quick, barricade that window!

- Professor, have you got anything we can nail across that window?

- There's some lumber in my laboratory.

- I've gotta get out! I've gotta get out of this!

- Oh, pull yourself together and help me with this!

- Well, at least lock the door! Oh, never mind!

- Hey, Captain, give me a hand.

- Yes, sir.

- If we'd only see them, we'd know what to do.

- Is there any way to make them visible?

- Not that I know. Unless it's a question of the amount of atomic radiation that's available.

- Hello? Hello, Kasper? Kasper, I want to talk to the colonel. Hello? Hello, Kasper? Are you there? Hello, hello?

(Hammering)

- I've got to get out of here, I tell you!

- Oh, no, no. Melville, no, no. Get back. Get back. Melville, Melville, get a grip on yourself. Get ahold of yourself.

[...]