Un Errol Examen

Who was the American that witnessed Errol working on part of his autobiography in Mexico?

Clues:

1. He or she wrote about it in their own autobiography.

2. In addition to him or her, there were three women present.

3. The circumstances were quite rare, (except perhaps for Senor Fleen himself.)

4. The person who witnessed it later became a rather well known Hollywood celebrity.

…

Chronological Visual Clues:

— Tim