Characters played by Adam Savage
Self - Host
Characters played by Jamie Hyneman
Self - Host
Characters played by Charles Haine
Self - Design Consultant
Characters played by Rick Baker
Self - Guest Judge
Characters played by Julia Greer
Self - Guest Judge
Characters played by Adam Sadowsky
Self - Guest Judge & President: Syyn Labs
Characters played by Johnny Long
Self
Characters played by Jesse Noel
Self - Team N.A.C.
Characters played by Bruce Gray
Self - Guest Judge & Kinetic Sculptor
Characters played by Mark Noel
Self - Team N.A.C.
Characters played by Frank Willis Balzer
Self
Characters played by James Flynn
Self - Team Aerospace
Characters played by Christian Ijin Link
Self
Characters played by Brian Rush
Contestant
Characters played by Adrian Hightower
Self - Guest Judge & Professor of Engineering
Characters played by Bryan Au
Self