Directed by Sylvia Keulen Written by Jeff Astrof   Gabor Csupo   Jill Gorey   Barbara Herndon   Arlene Klasky   Steve Pepoon   David Regal   Mark Risley   Mike Sikowitz   David Silverman   Stephen Sustarsic   Cast Jodi Carlisle ... Marianne Thornberry (voice) Lacey Chabert ... Eliza Thornberry (voice) Tim Curry ... Nigel Thornberry (voice) Flea ... Donnie (voice) Jane Goodall ... Self (voice) Danielle Harris ... Debbie Thornberry (voice) Tom Kane ... Darwin (voice) Richard Burgi ... Poacher #1 (voice) Ifeoma Marie ... Female Sanctuary Worker (voice) Fredson Mayiek ... Male Sanctuary Worker (voice) Kelly Packard ... Nursery Attendant (voice) Austin Stoker ... Poacher #2 (voice) Willie Wheaton ... Bush Pig (voice) Gary Anthony Williams ... Forest Hog / Bushbuck (voice) Produced by Kate Boutilier   Eryk Casemiro   Gabor Csupo   Cella Nichols Duffy   Maureen Iser   Arlene Klasky   Jeff McGrath   Laslo Nosek   Mark Risley   Original Music by Drew Neumann

Additional Info Premiere: October 31, 2001 DVD Release: December 01, 2010 Country: Distributor: Shout! Factory Websites: Production Companies Klasky-Csupo Nickelodeon Network Distributors CBS All Access   (2020) (USA) (video) (VOD) Hasbro   (2003) (USA) (video) Nickelodeon Network   (1998-2001) (USA) (TV) Nickelodeon   (USA) (TV) Shout! Factory   (2011) (USA) (DVD) (season one) Shout! Factory   (2011) (USA) (DVD) (season two, part 1) Shout! Factory   (2012) (USA) (DVD) (Season Two, Part 2) Shout! Factory   (2015) (USA) (DVD) (complete series) Rating Stats Overall Rating -- / 10 Our Rating -- / 10 Your Friends -- / 10 Male Users -- / 10 Female Users -- / 10 Site Ranking #3,931 / 20,886 Site Ranking