Main Characters
Presenter
39 main appearances
Jamie Hyneman
39 main appearances
Adam Savage
39 main appearances
Recurring Guest Characters
Tory Belleci
18 guest appearances
Grant Masaru Imahara
13 guest appearances
Scottie Chapman
10 guest appearances
Christine Chamberlain
6 guest appearances
Heather Joseph-Witham - Folklorist
4 guest appearances
Michio Kaku - Sci-Fi Science: Physics of the Impossible (Host)
1 guest appearances
Geoff Notkin - "Meteorite Men"
1 guest appearances
Steve Arnold - "Meteorite Men"
1 guest appearances