Nick Schatzki

as Narrator

Kirk Johnson

as Self - Paleontologist and Director, Smithsonian

Gaël Clément

as Self - Paleontologist, National Museum of History France

Patrick De Wever

as Self - Geologist and Professor Emeritus, NMH France

Sylvie Crasquin

as Self - Paleontologist, Research Director CNRS and CR2P

François Therrien

as Self - Curator of Dinosaur Palaeoecology, Royal Tyrrell Museum

Craig Scott

as Self - Director, Preservation and Research, Royal Tyrrell Museum