1.   A few months ago, the cast was brought back for reshoots, which often signals trouble.

2.   Leakey brought a cast of the skull to ASU, where Johanson and others were allowed to examine it more closely in the lab.

3.   The decision to give the movie a bit of bite helped bring the cast back, Cole says.

4.   In the shadows was the slouching, enigmatic Huston, who brought the cast to what was then an undeveloped but stunning locale.