"In film and television, the audition is called a screen test, and it is filmed so that the casting director or director can see how the actor appears on screen."
> disqualifies Shakespearean theater in the time of Shakespeare
Ira Aldridge was born a couple centuries later than Shakespeare's King Lear.
Theater and movies are different media, if you wanna put up a play about Matrix you need actors that are able to act and to fight like in the movie, which I guess are not that many.
If you're shooting a movie, you simply hire stunt doubles.
Cinema is a fiction, it's not a live performance.
Most of the times main actors are there because they are popular and help the movie promotion.