 300 opened two days earlier , on March 7 , 2007 , in Sparta , and across Greece on March 8 . Studio executives were surprised by the showing , which was twice what they had expected . They credited the film 's stylized violence , the strong female role of Queen Gorgo which attracted a large number of women , and a MySpace advertising blitz . Producer Mark Canton said , " MySpace had an enormous impact but it has transcended the limitations of the Internet or the graphic novel . Once you make a great movie , word can spread very quickly . " 
