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 recalls the difficulties of filming 300 and how many of his co-stars were being taken to the hospital due to injuries.

Gerard Butler reveals the intense injuries sustained by the cast of 300, including himself, during the film's ostensibly chaotic production.