Director:
Helen Nixon Helen Partridge Clayton Smith

Casting:
Mark Lawson,
Peter Singer,
David Attenborough,

UK, 2003

Director:
Richard Slater-Jones Eric Strauss Morris Abraham

Casting:
Lance Lewman,
Andres Williams,
David McCallum,

USA, 2002

Director:
Astra Taylor

Casting:
K. Anthony Appiah,
Judith Butler,
Michael Hardt,

Canada, 2008

Director:
Rob Hopkin Peter Bull

Casting:
David Brancaccio,
Maria Hinojosa,
María Hinojosa,

USA, 2002