Leigh Whannell character Adam Faulkner-Stanheight
Cary Elwes character Dr. Lawrence Gordon
Danny Glover character Detective David Tapp
Ken Leung character Detective Steven Sing
Dina Meyer character Allison Kerry
Mike Butters character Paul
Tobin Bell character John Kramer (a.k.a. Jigsaw)
Paul Gutrecht character Mark
Michael Emerson character Zep Hindle
Benito Martinez character Brett
Shawnee Smith character Amanda Young
Makenzie Vega Norfolk character Diana Gordon
Monica Potter character Alison Gordon
Ned Bellamy character Jeff Ridenhour
Alexandra Bokyun Chun character Carla
Avner Garbi character Father
Hans Raith character Detective (uncredited)
Oren Koules character Dead Cellmate (uncredited)
