大卫·爱登堡

David Attenborough

饰：Narrator

西格妮·韦弗

Sigourney Weaver

饰：Narrator - US Version

Michael Kelem

Michael Kelem

饰：Himself

Nikolay Drozdov

Huw Cordey

Huw Cordey

饰：Self - Producer

马克·林菲尔德

Mark Linfield

饰：Self

乔尼·基林

Jonny Keeling

饰：Self

Justine Evans

Justine Evans

饰：Self

道格·艾伦

Doug Allen

饰：Self

查登·亨特

Chadden Hunter

饰：Self - Field Assistant

Rick Rosenthal

Rick Rosenthal

饰：Self

西蒙·金

Simon King

饰：Self