Lionsgate have revealed via Yahoo! Movies the final poster for their upcoming Dredd 3D. Pete Travis directes the latest big screen action thriller adaption that opens in 3D & 2D theaters this September 21st. Alex Garland penned the R-rated movie which stars Karl Urban, Olivia Thirlby, Lena Headey, Deobia Oparei, Wood Harris, Jason Cope & Domhnall Gleeson.