a Warner Bros. Pictures presentation in association with Legendary Pictures and Virtual Studios ; a Mark Canton/Gianni Nunnari production ; a Zack Snyder film ; produced by Gianni Nunnari ; produced by Mark Canton ; produced by Bernie Goldmann, Jeffrey Silver ; screenplay by Zack Snyder & Kurt Johnstad and Michael B. Gordon ; directed by Zack Snyder
produced exclusively by D.W. Griffith ; production under the personal direction of D.W. Griffith ; story arranged by D.W. Griffith and Frank E. Woods ; photography, G.W. Bitzer