Jeremy Irons

Character: Narrator

Deborah Bull

Character: Utah Longhorn Ram

Guy Niblett

Character: Ram Partner

Bruce Sansom

Character: Texan Kangaroo Rat

Fiona Brockway

Character: Humboldt's Hog-nosed Skunk Flea

Phillip Broomhead

Character: Southern Cape Zebra

Michelle di Lorenzo

Character: Forest person

Jonathan Cope

Character: Forest person

Tracy Brown

Character: Forest person

Stephen Jefferies

Character: Brazilian Woolly Monkey

Nicola Roberts

Character: The Great Auk