F. Murray Abraham
Narrator (voice)

Donald C. Johanson
Self

David Attenborough
Narrator (voice) / Host

Jay O. Sanders
Narrator (voice)

Nora Young
Narrator (voice)

Jayce Bartok
Narrator (voice)

Gordon Buchanan
Host

Kevin Draine
Narrator (voice)

Chris Morgan
Narrator (voice) /

Olga Merediz
Narrator / Narrator (voice)

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)