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