The look in Sollozzo's eye when he realizes fo an instant that Michael is going to shoot him. He knows it is to late for him to stop it, but he knows whats coming. A great piece of acting.
Also the sarcastic look Woltz gives his flunky when Tom tells him to put Johnny in the new picture.
"Io sono stanco, sono imbigliato, and I wan't everyone here to know, there ain't gonna be no trouble from me..Don Corleone..Cicc' a port!"
"I stood in the courtroom like a fool."
"I am Constanza: Lord of the idiots."
| 
