It must be followed by at least one line of description or dialogue.

He was paid $50 to say four lines of dialogue.

I'm not one to say 'no' to a great suggested line of dialogue.

They are lines of dialogue meant to be said by the actor.

He said that one line of dialogue in the film was especially significant.

River was cast as Brian and only had one line of dialogue.

She is the only general who does not have a single line of dialogue in the entire game.

Only two days were spent recording over five thousands lines of dialogue.

I'd give them one line of dialogue that would explode into 10 or 15 lines.

Yet not a line of dialogue sounds natural or true.