Characters played by Michael Mosley
Self - Presenter
Characters played by Druin Burch
Self - Author 'Taking the Medicine'
Characters played by Walter Sneader
Self - Former Head of the School of Pharmacy
University of Strathclyde
Characters played by Thomas Frieden
Self - DIrector
Center for Disease Control and Prevention
Characters played by John Whitaker
Self - Wakefield Museum
Characters played by Jayne Lawrence
Self - Royal Pharmaceutical Society
Characters played by Andrea Sella
Self - Department of Chemistry
University College London
Characters played by John Fenn
Self - Yale University
Characters played by Jonathan Simon
Self - Historian
University of Leon
Characters played by Stephanie Snow
Self - Centre for History of Science
Technology and Medicine
University of Manchester
Characters played by Eric Sidebottom
Self - Retired Lecturer
University of Oxford
Characters played by John Swann
Self - US Food & Drug Administration
Characters played by David Wilkinson
Self - Emeritus Consultant Anaesthetist
St. Bartholomew's Hospital
London
Characters played by Austin Leach
Self - Consultant Anaesthetist
Characters played by Adam Mamelak
Self - Cedars-Sinai Hospital
Los Angeles
Characters played by Peter Campbell
Self - Wellcome Trust Sanger Institute
Characters played by Michael Hayden
Self - Centre for Molecular Medicine and Therapeutics
University of British Columbia
Characters played by Joseph Lombardino
Self - Retired Pfizer Chemist
Characters played by Donald Henderson
Self - Center for Biosecurity
Maryland