Elenco (na ordem dos créditos)
Katja Schuurman
Self
Frans Duijts
Self - Memory Trainer
Hugo Vos
Eus Van Someren
Self - Psycho-Physiologist
Christian Doeller
Self - Principal Investigator
Kim Dekker
Self - Sleep Researcher
Karin Roelofs
Self - Professor of Experimental Psychopathology
Ingrid Ranka de Hullu
Self - Zen Nun
Liesbeth van Rossum
Self - Internist-Endocrinologist, Erasmus MC
Vanessa van Ast
Self - Postdoctoral Researcher
Rob van Viegen
Self - Flight Instructor
Arko van Brakel
Self - Entrepreneur
Sasha Velgersdijk
Self - Insomniac
Henk-Jan Zwolle
Self - Exercise Physiologist
Jaap Murre
Self - Professor of Theoretical Neuropsychology
Henk Brauers
Self - Driving Instructor, Maastricht University
John Taverniers
Self - Psychologist
Eva Doornewaard
Self - Narcoleptic
Roy Kessels
Self - Professor of Neuropsychology
Linda Prosman
Marijke Gordijn
Self - Chronobiologist
Jan Visser
Self - Dog Wrangler
Eric Prosman
Self - International Checkers Grandmaster
Leo Alkemade
Kim Pieters
Erwin van den Eshof
Self - Horror Director
Winston Gerschtanowitz
Self - Katja's Friend
Geert Jan Jansen
Self - Master Forger
Koen Schruers
Self - Psychiatrist
Iris Meeuwisse
Freek van Noortwijk
Self - Katja's Boyfriend
Guido van Wingen
Self - Neuroscientist
Willem Brouwer
Self - Interrogation Techniques Teacher
Nico van Straalen
Self - Evolutionary Biologist
Annemarie de Vries
Self - Germophobe
Chris Callewaart
Self - Dr. Armpit
Pacelle van Goethem
Self - Voice Pathologist
Sofie Noiron
Self - Victim of Flesh-Eating Bacteria
Mark Mieras
Self - Science Journalist and Author
Job Boersma
Self - Psychologist and Author
Wim Veling
Self - Psychiatrist, UMCG
Dries Budding
Self - Clinical Microbiologist
Jop de Vrieze
Self - Medical Biologist and Science Journalist
Bruno Verschuere
Self - Researcher, Universy of Amsterdam
Eduard Coblijn
Self - Professional Interrogation Behavioral Teacher
Annette Heldens
Self - Psychologist and Coach