Walking with Beasts

Glavne vloge:

Kenneth Branagh  >  Narrator (voice)
Stockard Channing  >  Narrator (U.S.A Version) (voice)
Larry Agenbroad  >  Himself - of University of Northern Arizona
Alan Turner  >  Himself - of Liverpool John Moores University
James Randolph  >  Herself - of State University of New York at Stony Brook
Japeth Boyce  >  Himself - of Rapid City, South Dakota
Scott E. Foss  >  Himself - of John Day Fossil Beds National Park
Donald Prothero  >  Himself - of Occidental College
Kent Sundell  >  Himself - of Casper College, Wyoming
Bob Brain  >  Himself - of Transvaal Museum, Pretoria
Frank Fish  >  Himself - of West Chester University
Mark Uhen  >  Himself - of Cranbrook Institute of Science
Cory Wexler Grant  >  Himself - of Ohio University
Leslie Aiello  >  Herself - of University College, London
Blaire Van Valkenburgh  >  Herself - of University of California (as Blair Van Valkenburgh)