Characters played by David Attenborough
Self - Presenter
Characters played by Richard Fortey
Self - Palaeontologist
Natural History Museum
Characters played by Hazel Barton
Self - Microbiologist
Northern Kentucky University
Characters played by Guy Narbonne
Self - Palaeontologist
Queen's University
Ontario
Characters played by Bernard Degnan
Self - Marine Biologist
University of Queensland
Characters played by Justin Marshall
Self - Marine Neurobiologist
University of Queensland
Characters played by Philip Donoghue
Self - Palaeontologist
University of Bristol
Characters played by Mary Droser
Self - Palaeontologist
University of California
Characters played by Jim Gehling
Self - Palaeontoloigst
South Australia Museum
Characters played by Jean-Bernard Caron
Self - Palaeontologist
Royal Ontario Museum