Eric Bress Director, Screenwriter Brenton Thwaites Chris Actor Theo Rossi Kirk Actor Kyle Gallner Tappert Actor Skylar Astin Eugene Actor Alan Ritchson Butchie Actor Matthew Reese Sergeant Elks Actor Billy Zane Actor Actor, Executive Producer Shaun Toub Mr. Helwig Actor Shannon McKain Lieutenant Morgan Actor Shelley Madison Producer D. Todd Shepherd Producer Joe Simpson Producer Jonathan Bross Executive Producer Alastair Burlingham Executive Producer Charlie Dombek Executive Producer Arianne Fraser Executive Producer Andrew Mann Executive Producer Delphine Perrier Executive Producer Gary Raskin Executive Producer George Waud Executive Producer Simon Williams Executive Producer Adrian Jayasinha Executive Producer Lorenzo Senatore Cinematographer Peter Amundson Film Editing Michael Suby Original Music Antonello Rubino Production Design Ivan Ranghelov Art Director Irina Kotcheva Costume Design Brandon Henry Rodriguez Casting