James Lance

Narrator (voice)

Katharine Milton

Herself - Primatologist

Bryson Voirin

Himself - Wildlife Biologist

Leonor Álvarez Cansino

Herself - Tropical Forest Ecologist

Lars Markesteijn

Himself - Tropical Forest Ecologist

Natalie Clay

Herself - Entomologist

Angie Estrada

Herself - Conservation Biologist

Ben Hirsch

Himself - Behavioural Ecologist