"I remember every day somebody was getting taken to the hospital," Butler said in a recent interview with People. "You’d be doing a fight, you turn around, there’s a guy down there, a spear went in his eye. Another time, you turn around, there’s a guy over there who just fell, broke his ankle. I mean, it was insane."

Zack Snyder’s “300” grossed more than $450 million by the end of its theatrical run, but according to star Gerard Butler, that box office success wasn’t without a few casualties. While speaking with People,

Gerard Butler recently opened up about the demanding and crazy production of Zack Snyder ’s 300 , which is based on Frank Miller's graphic novel. It’s a visually stunning epic, but it was a punishing shoot for its actors.