I think most British people who say they can do an American accent are so bad at it. I find it excruciating. I find it excruciating the other way around, too. ↗
The tricky thing becomes: Do you know yourself well enough to then portray that on screen? And for me, I find that really hard. I'd rather hide behind accents and funny walks. ↗
For whatever reason, we relate to anything godlike with an English accent. The English are very proud of that. And with anything Roman or gladiators, they have an English accent. For an audience, it is an easy trick to hook people in. ↗
People say there's no trace of an accent anymore, and there isn't because I worked very hard to lose it. And the reason I did that is a British accent in America is a real status symbol. ↗
'Batman' took 10 months to film, and by the time I stopped working on it, it took a long time before my English accent came out again. I was actually having to try for it. ↗
In Delaware, the largest growth in population is Indian-Americans moving from India. You cannot go to a 7-11 or a Dunkin Donuts unless you have a slight Indian accent. I'm not joking. ↗