"It requires actors who are confident but without a lot of ego about trespassing on each other's territory," he said.

The film was then adapted into a realistic film that would only require good actors, and no special effects.

O Chifrudo is a comedy that requires actors with great experience and versatility.

They are primarily cast, she said, in roles that require "foreign-looking" actors.

It requires actors who are bigger than life, which is what Russians can do well.

The long and complex play requires skilled actors, but the vocal demands of Weill's score require trained singers.

"It requires adult actors of quite a high level, which are hard to find here," said Mr. Miller, who is 75 years old.

"Macbeth" was chosen because it requires few actors and because the text is familiar to most American students.

Traditionally big films have required Western actors in lead roles, and preferably stars at that.

Finally, as electoral reform is often very political in nature, it does not always happen very easily, and requires different actors and continuous involvement.