- Have you got him?
- No. He's gone! He jumped. He jumped off the train.

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

You can hear this line at 00:17:30 in the radio play.

Quote context

[...]

- Open that door.

- I can't. He's holding it from the other side.

- Here, let me try.

- Together now. One! Two! Three!

- Get out of the way! Where is he? Where did he go?

- There he is! Down that passageway! Stop him! Grab him before he gets to the vestibule!

- Come back here, you! Come back, you! Stop! Stop!

- Have you got him?

- No. He's gone! He jumped. He jumped off the train.

- The fool. He's probably lying dead in a ditch!

- No. The last I seen of him, he was on his two feet... and running like a rabbit!

- During our first intermission, and while waiting for Act II of 'The 39 Steps'...

- We'd like you to go with us to one of the millions of homes where Christmas secrets are in the air and listen in on a very interesting conversation.

[...]