He put his hand to the wound in his breast and with his forefinger drew a cross in the air.

6 seconds sound clip from the A Tale of Two Cities (1938) classic radio drama series episode.

You can hear this line at 00:05:31.280 in the radio play.

Quote context

[...]

- A common dog, but a sword in my hand.

- I made him draw and fight with me.

- Common dog that I am, where is he?

- He is not here.

- Marquis of St. Evrémonde, in the days when all these things are to be answered for, I summon you and yours to the last of your bad race to answer for them.

- I mark this cross of blood upon you as a sign that I do it.

- He put his hand to the wound in his breast and with his forefinger drew a cross in the air.

- He stood for an instant with a finger yet raised, and as it dropped, he dropped with it, and I laid him down, dead.

- I returned to the bedside of the girl. The sound of her voice never ceased. She lingered on for a week. Then on the eighth day...

- At last she's dead?

- She is dead.

- I congratulate you, my brother.

- Five nights later, toward nine o'clock, a man in a black dress rang at my gate, demanded to see me...

[...]