Arnold Schwarzenegger, I don't know if you'd call him a great actor, but he's amazing in terms of his presence, and he is interesting enough that you want to watch him. ↗
The actor cannot afford to look only to his own life for all his material nor pull strictly from his own experience to find his acting choices and feelings. ↗
The first time I made myself up, I was looking at my reflection in the mirror and it wasn't me looking back. It allowed me to do things I couldn't do as myself. I found out how powerful that was and how much that can mean to an actor. ↗
Let's face facts, this is visual medium, there's a very high premium put on people who are good-looking. But the minute you rely on that you get yourself in trouble. You certainly don't make a career out of that anymore as an actor. ↗