Alastair Fothergill	...	(Director)
David Attenborough	...	(Writer)
David Attenborough	...	Narrator
Sigourney Weaver	...	Narrator - US Version
Michael Kelem	...	Cinematographer
Doug Anderson	...	Cinematographer
Andrew Shillabeer	...	Cinematographer
Peter Kragh	...	Cinematographer
Mike Madden	...	Cinematographer
George Fenton	...	Composer
Sam Watts	...	Composer
Paul Stewart	...	Cinematographer
Andy Netley	...	Editor
Stuart Napier	...	Editor
David Pearce	...	Editor

Comments: Simply the best.

Summary: Award-winning BBC nature documentary series narrated by David Attenborough and produced by Alastair Fothergill. It was first broadcast in the UK 5 March 2006. The American version is narrated by Sigourney Weaver.