This is a clip from Dick Cavett, when they showed screen tests for different actresses that who tried out for Scarlett O'Hara. My favorite part is the end. It's a young Joan Bennett! I wish the quality was better. It looked way better on tv, and the clip was longer.
https://youtu.be/BsVL5jPuaN0
Scarlett O'Hara Screen tests
Scarlett O'Hara Screen tests
You trying to tell me you didn't hear that shriek? That was something trying to get out of its premature grave, and I don't want to be here when it does. - Phantom of the Paradise (1974)
Re: Scarlett O'Hara Screen tests
How about that! 
I wish we could see more of Joan.
I wish we could see more of Joan.