Q: Why do we tell actors to break a leg?
A: Because all shows and movies have a cast.
Q: Why do we tell actors to break a leg?
A: Because all shows and movies have a cast.
Listen, my friend, you ain't the sharpest tool in the shed, are you? The joke is that "cast" has two meanings. A cast is a group of actors but also a plaster cast you put on a broken leg. Get it now?