David Attenborough goes back in time to investigate the origins of life.
Martin Williams
Director
David Attenborough
Self - Presenter
Richard Fortey
Self - Palaeontologist, Natural History Museum
Hazel Barton
Self - Microbiologist, Northern Kentucky University
Guy Narbonne
Self - Palaeontologist, Queen's University, Ontario
Bernard Degnan
Self - Marine Biologist, University of Queensland