Jiang Wu stated he was offered the role in the film through a text message from his brother , director Jiang Wen .
Director Jiang Wen went over 30 drafts of the film 's script .
Jiang Wu stated he was offered the role in the film through a text message from his brother , Director Director   .
Director Jiang Wen went over 30 drafts of the film 's script .