An actor has to memorize his lines.

He is an actor among actors.

He thinks that only very well trained actors can be really successful.

I've never heard of the actor.

That young actor is a James Dean.

I've never heard of this actor.

It's not easy to pick out the best actors for this play.

That comedian is very funny.

That comic's jokes are all old hat and we've heard them before.

That Kabuki actor is very popular with young people.

Who is your favorite actor?

This monkey plays a part in a monkey show in Ryogoku.

Is Tom an actor?