Characters played by Erik Thompson
Narrator
Characters played by George Blasing
Self - Paleontology Expert
Characters played by Thomas Holtz
Self - Vertebrate Paleontologist
University of Maryland
Characters played by Lawrence Witmer
Self - Professor of Anatomy
Ohio University
Characters played by Philip Currie
Self - Professor
Dinosaur Reseach: University of Alberta
Characters played by Larry Dean Martin
Self - Senior Curator of Vertebrate Paleontology
University of Kansas Museum of Natural History
Characters played by Peter L. Larson
Self - President
Black Hills Institute of Gealogical Research Inc.
Characters played by Mark Loewen
Self - Research Associate
Utah Museum of Natural History
Characters played by Jim Kirkland
Self - Utah State Paleontologist
Utal Geological Survey
Self - Utah State Paleontologist
Utah Geological Survey
Characters played by Robert Gaston
Self - President of Gaston Design Inc.
Characters played by Brett Kent
Self - Instructor
College of Chem. and Life Sciences
University of Maryland
Characters played by Mark Norell
Self - Chairman and Curator
Div. of Paleontology - American Museum of Natural History
Self - Chairman and Curator
Div. of Paleontology
American Museum of Natural History
Characters played by John Foster
Self - Curator of Paleontology
Museum of Western Colorado
Characters played by Blaine Schubert
Self - East Tennessee State University
Characters played by Lawrence Barnes
Self - Curator of Vertebrate Paleontology
Natural History Museum of Los Angeles County
Characters played by Christopher A. Shaw
Self - Collectiion Manager
Gorge C. Page Museum
Characters played by Steve Alten
Self - Author of the Best-Selling Meg Series
Characters played by Scott Hartman
Self - Science Director
Wyoming Dinosaur Center
Characters played by William F. Bottke
Self - Asst. Director
Dept. of Space Studies
Southwest Research Institute
Characters played by Michael Gottfried
Self - Assoc. Prof.
Geological Sciences and Zoology
Michigan State University
Characters played by Wann Langston Jr.
Self - University of Texas
Characters played by James Madsen Jr.
Self - Former Utah State Paleontologist
Characters played by Brooks Britt
Self - Brigham Young University
Characters played by Dan Durda
Self - Principal Scientist
Southwest Research Institute
Characters played by Douglas Robertson
Self - Adjunct Professor
Geological Sciences
University of Colorado
Characters played by Mark A. Hernandez
Paleo Indian