David Attenborough

Self - Presenter

Tom Hiddleston

Self - Narrator (voice)

Mark P. Witton

Self - Palaeoartist & Palaeontologist

Paul M. Barrett

Self - National History Museum

Susannah Maidment

Self - Natural History Museum

Michael Habib

Self - University of California

Darren Naish

Self - Lead Scientific Consultant

Kiersten Formoso

Self - University of Southern California

Natalie Kehrwald

Self - Geologist

Heïdi Sevestre

Self - Glaciologist

Victoria Herridge

Self - Evolutionary Biologist

Ella Gilbert

Self - Climate Scientist

Christopher Jackson

Self - Geoscientist

Aaron Camens

Self - Palaeontologist

Emily L. Lindsey

Self - Associate Curator, La Brea Tar Pits