http://www.dailymail.co.uk/pages/live/articles/showbiz/showbiznews.html?in_article_id=528496&in_page_id=1773

Actor Robert Downey Jr has in the past been applauded for his edgy roles.

But his latest may be a step too far - as the actor dons make-up to play a rather convincing looking black man in a new Hollywood film starring comic actor Ben Stiller.

In a still from film Tropic Thunder, Downey Jnr is sandwiched between Ben Stiller, and a blonde Jack Black.

But the backlash has clearly begun as one comment on a showbiz blog Just Jared said: "I'm not black and I find it offensive; are there not any talented enough black actors out in the world that they feel the need to hire a white guy to do a black guy?"

"They are infering that there are no good enough black actors to play a black person.

"What is the significance of hiring a white guy to play a black part? what are they trying to prove? I bet its to get more publicity."