Bob-

Sophia Loren (though Euro before Hollywood)
Paul Newman (though reportedly not well)

David-

I believe "God" in TEN COMMANDMENTS was indeed Heston; I seem to recall Heston in his book, or maybe DeMille in his, saying that this choice was based on an old Talmudic legend that God had chosen to sound like Moses' father, in order to be less daunting to him.

Best,
-Craig W.

Monsterkid since the Kennedy Era