Nick Schatzki

Narrator

Kirk Johnson

Self - Paleontologist and Director, Smithsonian

Gaël Clément

Self - Paleontologist, National Museum of History France

Patrick De Wever

Self - Geologist and Professor Emeritus, NMH France

Sylvie Crasquin

Self - Paleontologist, Research Director CNRS and CR2P

François Therrien

Self - Curator of Dinosaur Palaeoecology, Royal Tyrrell Museum

Craig Scott

Self - Director, Preservation and Research, Royal Tyrrell Museum

Alexis de Favitski