She had told Kazan that she was bored with the roles she was playing because so many of them had been basically the same kind of empty-headed characterization. She wanted nothing ore than to challenge herself with more complex parts--and also wanted others to think of her as being more than a caricature.
...
Anytime she had an opportunity to broaden her mind, she wanted to take advantage of it.

Autor: J. Randy Taraborrelli