Актьори
Helen Czerski
Self - Presenter- Trevor Cox
Self - Martin Cockrill
Self - University of Leicester - Marc Holderied
Self - Lesley Garrett
Self - Jenny Bizley
Self - Peter Keating
Self - John Rubin
Self - Consultant ENT Surgeon - Sophie Scott
Self - University College London - David Sear
Self - Lila Lifely
Self - Bullwhip Expert - Daniel Eakins
Self - Imperial College - Steve Simpson
Self - Marine Biologist, University of Exeter - Jacopo Taddeucci
Self - Istituto Nazionale di Geofisica e Vulcanolo - Jeffrey Johnson
Self - Boise State University - Andy Fabian
Self - Professor, University of Cambridge
мълчанието на агнетата 
Банши, Пенсилвания 
Марсианецът 