John Shea |
Himself - Paleoanthropologist, SUNY - Stony Brook |
Corey Burton |
Himself - Narrator |
Jonathan Cohen |
Himself - Wildlife Biologist, SUNY ESF - Syracuse |
Peter Ward |
Himself - Paleontologist, Univ. of Washington |
Alex Filippenko |
Himself, Astrophysicist - Univ. of California - Be |
Clifford V. Johnson |
Himself - Physicist, Univ. of Southern California |
Jonathan Markley |
Himself - Historian, California State Univ. - Full |
Russell Shapiro |
Himself - Geologist, California State Univ.- Chico |
Glen MacDonald |
Himself - Director, UCLA Institute of the Environm |
Robert Bakker |
Himself - Paleontologist, Houston Museum of Natura |
Trevor S. Valle |
Himself - Paleontologist, Page Museum - La Brea Ta |
Nicole Waguespack |
Herself - Archaeologist, Univ. of Wyoming |