比尔·奈伊

Bill Nighy

饰：Narrator

肖恩·奥斯汀

Sean Astin

饰：Narrator

斯托卡特·詹宁

Stockard Channing

饰：Herself - Narrator

Flower the Meerkat

饰：Self

Tim Clutton-Brock

Tim Clutton-Brock

饰：Self - Scientific Consultant: Cambridge University

Caroline Hawkins

Caroline Hawkins

饰：Self - Creator and Series Editor

Robin Smith

Robin Smith

饰：Self - Cinematographer

雷格·E·凯蒂

Reg E. Cathey

饰：Narrator

Laura Harvey

饰：Self - Camera Assistant and Sound