Reparto

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