Characters played by Helen Arney
Self - Physicist
Characters played by Debbie Berebichez
Self - Physicist
Characters played by Hakeem Oluseyi
Self - Astrophysicist
Characters played by Tim Dadabo
Narrator
Self - Narrator
Characters played by Simon Pampena
Self - Mathematician
Characters played by Adam Ruben
Self - Biologist
Self Biologist
Characters played by Saad Sarwana
Self - Physicist
Characters played by Tom Wrigglesworth
Self - Engineer
Characters played by Carin Bondar
Self - Biologist
Self - Scientist
Characters played by Alistair Linsell
Self - Nuclear Chemist
Characters played by Mike North
Self - Engineer
Self - Scientist
Characters played by Matt Parker
Self - Mathematician
Characters played by Chris Krishna-Pillay
Self - Biologist
Characters played by Sujata Kundu
Self - Materials Chemist
Characters played by Raychelle Burks
Self - Chemist
Characters played by Eric Gradman
Self - Robotic Engineer
Self - Robin Engineer
Self - Robotics Engineer
Characters played by Amy Elliot
Self - Mechanical Engineer
Self - Mechanical Engineering
Characters played by Uli Brandt-Bohne
Self - Biochemist
Characters played by Jessica Jensen
Self - Engineer
Characters played by Ellie Harrison
Self - Wildlife Expert
Self - Wildlife expert
Characters played by Christina Aas
Self - Engineer
Characters played by Simon Foster
Self - Physicist
Self
Characters played by Judy Lee
Self - Engineer
Characters played by Hermes Gadelha
Self - Mathematician
Characters played by Amy Elliott
Self - Mechanical Engineer
Characters played by Joe Wong
Self - Biologist
Characters played by Peter Adrid
Self
Characters played by James Hobson
The Hacksmith
Characters played by Daniela Kriston
Self - Engineer
Characters played by Kevin Strahle
Self
Characters played by Aaron Evans
Self - Car Jumper
Characters played by GloZell Green
Self
Characters played by Brodie Smith
Self - Frisbee Thrower
Characters played by Olaf Brech
Self - Fitness Nut
Characters played by Terri Lenoci
Self - International Fainting Goat Association
Characters played by Alyssa Kramer
Self - Speech Reverser
Characters played by Roger Russell
Self
Characters played by Milton Segura
Self
Characters played by Stephen Steiner
Self
Characters played by Gary Connery
Self - Stuntman
Characters played by Vivienne Connery
Self - Gary's Wife
Characters played by Todd King
Self - Engineering Student
Characters played by Cameron Roberts
Self - Engineering Student
Characters played by Jokke Sommer
Self - BASE Jumper
Characters played by Garrett McNamara
Self - Surfer
Characters played by Darren Taylor
Self
Characters played by Mark Chang
Self
Characters played by Joe Diprima
Self
Characters played by Mike Fielstra
Self
Characters played by Theo Jansen
Self
Characters played by Steve Meade
Self
Characters played by John Bailey
Self - Whip Expert
Characters played by William Beaty
Self - Science Hobbyist
Characters played by Faith Dickey
Self - World Championship Slackliner
Characters played by Tom Dickson
Self
Characters played by Byron Ferguson
Self - Archer
Characters played by Andrew Jacqmain
Self - Father of Evil Genius
Characters played by Eric Jacqmain
Self
Characters played by Nick Johnson
Self - Ozzy's owner (segment: Dog on Wire)
Characters played by Trent Kimball
Self
Characters played by Lawrence Kosub
Self
Characters played by Andy Moyer
Self
Characters played by Eric Nash
Self - Street Performer
Characters played by Ewald Roithner
Self - Pilot (segment: Glider Swap)
Characters played by Jorg Sprave
Self
Characters played by Paul Steiner
Self - Sky Diver (segment: Glider Swap)
Characters played by Kurt Tippl
Self - Pilot (segment: Glider Swap)
Characters played by Shifu Shi Yan Xiu
Self - Shaolin Monk
Characters played by Alex Bragdon
Self
Characters played by Steve Castellotti
Self
Characters played by Tim Cotterill
Self
Characters played by Meng M. Lo
[no data]
Characters played by Pál Takáts
Self
Characters played by Gavin Heffernan
Self
Characters played by Brock Afentul
Consultant to Mr. Miculek
additional footage