Career
Hackl was the production designer and second unit director for Saw II, Saw III and Saw IV, as well as for The Genetic Opera. He was once in talks to direct Saw IV, however, Darren Lynn Bousman returned as the director Hackl has directed Saw V. lieutenant was initially reported that Hackl would direct Saw V and Saw VI. lieutenant was later reported that Hackl would only direct Saw V, and that Saw VI would be directed by Kevin Greutert, the editor on all the Saw films to date.
Despite negative critical reviews and mixed fan reviews, his direction in Saw V has been referred by Digital Spy as "slick direction." Hackl is set to direct the film adaption of the novel The Butcher Bride.
He is set to direct Jeff Reher"s spec script Endangered.