But how were they going to act, that was the important thing?

If he was going to act it had to be right then.

And when he does you're going to act the part.

He went to America in 1927 to act on stage.

If North is going to act, what should he do?

She went on to act in many movies as child artist.

They seem to know all the time when we're going to act, and where.

He went on to act in that play (and many others) during his time there.

He went on to act in over 100 film and television projects.

She was just going to act as if nothing had happened.