Darren Bousman Director, Writer Donnie Wahlberg Eric Matthews Actor Tobin Bell Jigsaw Actor Shawnee Smith Amanda Actor Franky G Xavier Actor Glenn Plummer Jonas Actor Dina Meyer Kerry Actor Emmanuelle Vaugier Addison Actor Beverley Mitchell Laura Actor Erik Knudsen Daniel Actor Tim Burd Obi Actor Lyriq Bent Rigg Actor Noam Jenkins Michael Actor Tony Nappo Gus Actor Linette Robinson Mother in cancer ward Actor Gretchen Helbig Nurse in cancer ward Actor Leigh Whannell Writer, Executive Producer Mark Burg Producer Gregg Hoffman Producer Oren Koules Producer Daniel Jason Heffner Co-Producer James Wan Executive Producer Stacey Testro Executive Producer Jason Constantine Executive Producer Peter Block Executive Producer David A. Armstrong Cinematographer Kit Whitmore Cinematographer Kevin Greutert Film Editing Amy Lippens Casting Charlie Clouser Original Music David Hackl Production Design Michele Brady Art Director Liesl Deslauriers Set Decoration Alex Kavanagh Costume Design