Don Wildman
В роли: Self - Host and Narrator

Kenneth Lacovara
В роли: Self - Associate Professor: Drexel University (как Kenneth Lacovara PhD)

Matthew Lloyd Dugger
В роли: Kermit Roosevelt (как Matthew Lloyd)

Mark Norell
В роли: Self - Curator: American Museum of Natural History (как Mark Norell PhD)

Joel Cracraft
В роли: Self - Curator: American Museum of Natural History (как Joel Cracraft PhD)

Sidney Kirkpatrick
В роли: Self - Author

George Harlow
В роли: Self - Curator: American Museum of Natural History

Stephen C. Quinn
В роли: Self - Exhibition Associate: American Museum of Natural History

Melissa Milgrom
В роли: Self - Author and Journalist

Michael Robinson
В роли: Self - Associate Professor: University of Hartford (как Michael Robinson PhD)

Ross MacPhee
В роли: Self - Curator: American Museum of Natural History (как Ross MacPhee PhD)

Bill Sargent
В роли: Self - Author

Ward Wheeler
В роли: Self - Curator: American Museum of Natural History

Carmela Cuomo
В роли: Self - Associate Professor: University of New Haven (как Carmela Cuomo PhD)

Jake Koeppl
В роли: Teddy Roosevelt's Assistant

Brian Patrick Mulligan
В роли: Teddy Roosevelt