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 recounts the challenging conditions during the filming of Zack Snyder's '300', revealing that numerous cast members sustained injuries. The film, released in 2006, enjoyed massive success despite the physical hardships endured by the crew.