On screen
Cast
95 credited performers
George Page
Narrator (voice), Host
F. Murray Abraham
Narrator (voice)
Donald C. Johanson
Self
David Attenborough
Host
Jay O. Sanders
Narrator (voice)
Nora Young
Narrator (voice)
Jayce Bartok
Narrator (voice)
Gordon Buchanan
Host
Tim Pigott-Smith
Narrator (voice)
Kevin Draine
Narrator (voice)
Chris Morgan
Narrator (voice)
Olga Merediz
Narrator
Nyambi Nyambi
Narrator (voice)
Allan Peck
Narrator (voice)
Daniel Stern
Narrator (voice)
Toby Leonard Moore
Narrator (voice)
Uma Thurman
Narrator (voice)
Paul Giamatti
Narrator (voice)
Campbell Scott
Narrator (voice)
Russell Boulter
Narrator (voice)
JuJu Chang
Host
Jason O'Mara
Narrator (voice)
James Naughton
Narrator (voice)
Lynn Sherr
Narrator (voice)
Michael Gross
Narrator (voice)
Christopher Plummer
Narrator (voice)
Peter Coyote
Narrator (voice)
Tim Matheson
Narrator (voice)
Allison Argo
Narrator (voice)
Colin Stafford-Johnson
Narrator (voice)
Brian Unger
Narrator
Kate Winslet
Narrator (voice)
Ewan McGregor
Host
Noma Dumezweni
Narrator (voice)
Scott Brick
Narrator (voice)
Ana Gasteyer
Narrator (voice)
Niobe Thompson
Host
Tom Harges
Narrator (voice)
Liev Schreiber
Narrator (voice)
Ed Trucco
Narrator (voice)
Howard McGillin
Narrator (voice)
Romulus Whitaker
Narrator (voice)
Linda Hunt
Narrator (voice)
Stockard Channing
Narrator (voice)
Mark Hamill
Narrator (voice)
Will Patton
Narrator (voice)
Laura Dern
Narrator (voice)
John Ritter
Narrator (voice)
Patricia Clarkson
Narrator (voice)
Anthony LaPaglia
Narrator (voice)
Kate Humble
Narrator (voice)
Edward Herrmann
Narrator (voice)
Julia Roberts
Host
Simon King
Narrator (voice)
Joe Morton
Narrator (voice)
Timothy Dalton
Host
Hardy Jones
Host
Henry Winkler
Narrator (voice)
Joe Hutto
Host
Liam Neeson
Narrator (voice)
Meg Ryan
Host
Richard Thomas
Narrator (voice)
Hugo Kitching
Narrator (voice)
Beverly Joubert
Narrator (voice)
Dereck Joubert
Narrator (voice)
BD Wong
Narrator (voice)
Paul Christie
Narrator (voice)
Laila Robins
Narrator (voice)
Kevin Kline
Narrator (voice)
Koko
Self
Martin Sheen
Narrator (voice)
Alan Ereira
Narrator (voice)
Thomas Haden Church
Narrator (voice)
Bill Pullman
Narrator (voice)
Howard Hall
Narrator (voice)
Thoren Ferguson
Narrator (voice)
Samuel Gilbert-Davies
Re-enactor
Ben Masters
Narrator (voice)
John-Christian Bateman
Narrator (voice)
James Lurie
Narrator (voice)
Martin Dohrn
Narrator (voice)
Anja Taylor
Self - Narrator (voice)
Mark Emery
Narrator (voice)
Tom Mustill
Narrator (voice)
David Scheel
Host
Maria Diekmann
Self
Keith David
Narrator
Charlie Russell
Self
Sooyong Park
Character not listed
Jonathan Kingdon
Self
Susane Lee
Narrator
Nancy Lewman
Narrator
Jane Goodall
Self
Tom Park
Self - Narrator (voice)
Jeremy Irons
Narrator