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 says there were an “insane” number of injuries when filming his fan-favorite action hit 300 . The Zack Snyder film from 2006 — which marked Butler’s breakout role, playing the fearsome Spartan King Leonidas — was apparently quite war zone on set.

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.