Who directed 2008 American-Canadian horror film for which Scott Gordon Patterson is known? 
Scott Patterson:  He is known for his role as Luke Danes in "Gilmore Girls" and Agent Strahm in "Saw IV", "Saw V" and "Saw VI". Saw V: Saw V is a 2008 American-Canadian horror film directed by David Hackl and written by Patrick Melton and Marcus Dunstan and stars Tobin Bell, Costas Mandylor, Scott Patterson, Betsy Russell, Mark Rolston, Julie Benz, Carlo Rota, and Meagan Good.
David Hackl