DARSTELLER
- Chris van Tulleken
Self - Presenter - Xand van Tulleken
Self - Presenter - Danny MacAskill
Self - Extreme Cyclist - Bruce German
Self - Department of Food Science and Technology, - Mike Tipton
Self - Professor, Extreme Evironments Laboratory, - Lew Hollander
Self - 87-Year-Old Triathlete - Reyna Gordon
Self - Cognitive Neuroscientist - Bryan Hughes
Self - Snake Catcher, Phoenix, Arizona - Fredrik Åhs
Self - Karolinska Institute, Stockholm - Harald Ott
Self - Harvard Researcher - Sophie Montague
Self - Actor, 'Five Kinds of Silence' - Valerie Curtis
Self - London School of Hygiene and Tropical Medic - Freya Christie
Self - Tennis Player - Kate Byrne
Self - Ballet Dancer - Mark Benson
Self - Summit County Rescue Group, Colorado - Steve McMahon
Self - Pain Expert, Kings College, London - Diana Northup
Self - University of New Mexico - Debbie Beacham
Self - University of New Mexico - Dan Davis
Self - University of Manchester - Neena Modi
Self - Professor of Neonatal Medicine, Imperial Co - Recker Eans
Six year old drummer