David Attenborough goes back in time to investigate the origins of life.
Martin Williams
Director
David Attenborough
Self - Presenter
Philip Donoghue
Self - Palaeontologist, University of Bristol
Justin Marshall
Self - Marine Neurobiologist, University of Queensland
Guy Narbonne
Self - Palaeontologist, Queen's University, Ontario
Jim Gehling
Self - Palaeontoloigst, South Australia Museum