彼得·卡伦

Peter Cullen

饰：Self - Narrator US,

Jack Horner

饰：Self - Curator of Paleontology,(as Dr. Jack Horner)

Roger Tilling

饰：Self - Narrator UK,

Gregory Erickson

饰：Self - Professor,(as Dr. Gregory M. Erickson)

Kristi Curry Rogers

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

Phillip Manning

饰：Self - Paleontologist,(as Dr. Phil Manning)

Lawrence Witmer

饰：Self,(as Lawrence M. Witmer)

Paul Sereno

饰：Self - Paleontologist,(as Dr. Paul C. Sereno)

Robert Bakker

Robert Bakker

饰：Self - Curator of Paleontology,(as Dr. Robert Bakker)

Mark Norell

饰：Self - Curator of Paleontology,(as Dr. Mark Norell)