Brent Breithaupt

饰：Self - Palaeontologist

伊安·霍姆

Ian Holm

饰：Self - Narrator,

Philip Currie

Philip Currie

饰：Self - Palaeontologist,(as Dr Phil Currie)

Ailsa Berk

Ailsa Berk

饰：Dinosauroid

Julia Clarke

饰：Self - Palaeontologist

Kristi Curry Rogers

饰：Self - Palaeontologist,(as Dr Kristi Curry Rogers)

Simon Conway Morris

饰：Self - Evolutionary Palaeobiologist,(as Prof Simon Conway Morris)