Andrew Garfield is the one with the most, according to Vocular. It's a bit of a cheat answer though, since he's spent a lot of time in America so he's probably picked up some more American speech habits. read more
Vocal fry’s largely a speech habit, so you should be able to fix it by concentrating on speaking without it until that becomes natural for you. It can also be caused by shallow breathing though, so you might want to try breathing more deeply with the diaphragm. read more