Christopher McQuarrie often works with director Bryan Singer , for whom he wrote the screenplays for Public Access , The Usual Suspects , and Jack the Giant Slayer , and wrote and produced Valkyrie .
A regular collaborator of director Bryan Singer , he wrote the screenplays of Singer 's films Public Access , The Usual Suspects , and Jack the Giant Slayer , and wrote and produced Valkyrie , winning the Academy Award for Best Original Screenplay for The Usual Suspects.