There's a man up there in the box! He's the one who shot him! Stop that man! Stop that man! Stop him! Stop him!

9 seconds sound clip from the The 39 Steps (1937) classic radio play.

You can hear this line at 00:50:22 in the radio play.

Quote context

[...]

- Come on, we don't want any excitement here.

- All right, I'll go quietly.

- Richard, you're not!

- Pamela, what's the use?

- Am I right? Thank you. Question, please. Do not hesitate. Question, please.

- Wait a minute. Mr. Memory! What are the Thirty-Nine Steps? Come on! Answer up! What are the Thirty-Nine Steps?

- The Thirty-Nine Steps? The Thirty-Nine Steps is a secret organisation, headed by Professor... (Gunshot)

- There's a man up there in the box! He's the one who shot him! Stop that man! Stop that man! Stop him! Stop him!

- I want to see Mr. Memory, please. Where's his dressing room?

- Number Five. But you can't go in now.

- Well, I'm afraid we have to.

- Detective, have you a pencil and a piece of paper?

- Yes.

- I want you to write down everything you hear.

- But listen here, I don't...

- Do as he tells you, please.

- I'm going to prove to you that the man who shot Memory is the murderer of Annabella Smith.

[...]