Washington DC, Aug. 11 -- Actor Orlando Bloom opened up on his insane physical transformation as a boxer in the new film 'The Cut', reported People.

In the thriller, Bloom plays an ex-boxer who suffered a defeat that ended his career as a champion in the ring. Then, when he "trains for redemption," a synopsis teases, an "obsession takes hold and reality unravels -- and he may be spiralling into something far more terrifying."

Bloom was "excited by the challenge" of transforming himself for the role, as per People.

"What I hadn't expected and was surprised by was the mental toll that this kind of intense discipline takes," he said, adding, "The paranoia and anxiety were very real and disturbing, caused by the lack of sleep -- turns out ...