Tom Hardy is the only one in the poll who has any wildness in him, yet I hope he doesn't play Tarzan.
It's another lame attempt at a franchise and will suck, and ruin some poor actor's career. And Hardy's slightly feral quality is best showcased in a civilized setting, where it makes him stand out. Better to cast him as James Bond than Tarzan.
No established actor in his right mind would take on the title role in a film franchise that required him to make several films wearing only a loincloth. Boosting your career by getting into super-shredded shape for one movie is one thing. But maintaining that look for several years running would be too much of a sacrifice. Plus, it's not the sort of role in which a decent actor would want to be typecast.
Let's discuss who would actually look good in just a loincloth.