 In June 2008 , producers Mark Canton , Gianni Nunnari and Bernie Goldmann revealed that work had begun on a sequel to 300 , 300 : Rise of an Empire . Legendary Pictures had announced that Frank Miller started writing the follow @-@ up graphic novel , and Zack Snyder was interested in directing the adaptation , but moved on to develop and direct the Superman reboot Man of Steel . Noam Murro directed instead , while Zack Snyder produced . The film focused on the Athenian admiral , Themistocles , as portrayed by Australian actor Sullivan Stapleton . The sequel , 300 : Rise of an Empire , was released on March 7 , 2014 . 
