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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