Jeremy Irons

Narrator

Deborah Bull

Utah Longhorn Ram

Guy Niblett

Ram Partner

Bruce Sansom

Texan Kangaroo Rat

Fiona Brockway

Humboldt's Hog-nosed Skunk Flea

Phillip Broomhead

Southern Cape Zebra

Michelle di Lorenzo

Forest person

Jonathan Cope

Forest person

Tracy Brown

Forest person

Stephen Jefferies

Brazilian Woolly Monkey

Nicola Roberts

The Great Auk

Jeff Tudor