produced by Spectrum Field Productions LLC for Animal Planet ; executive producers, Guy Nickerson, Jim Rapsas ; director, Guy Nickerson ; producer, Sara Helman
directed and produced by Taggart Siegel ; produced by Teri Lang ; narrated & written by John Peterson ; produced in association with Independent Television Service (ITVS) ; produced by Collective Eye, Inc
Roadside Attractions ; HBO Documentary Films, BBC Films and UK Film Council presents a Red Box Films production in association with Passion Pictures ; directed by James Marsh ; produced by Simon Chinn
Participant Media presents ; a Catalyst Films/Silverbush production ; a Lori Silverbush/Kristi Jacobson film ; produced by Julie Goldman, Ryan Harrington ; produced and directed by Kristi Jacobson and Lori Silverbush
a Hugo van Lawick production, in association with The Discovery Channel. Chimpanzees: return to the forest / Nature Awareness Films, in association with Evangelische Omroep
a co-production of Visty/Brennan Productions and Thirteen/WNET in association with the Gorilla Foundation/koko.org ; written & produced by Bonnie Brennan & Robert Visty ; producers, Jill Clarke, Jessica Siegel
presented by Thirteen for WNET.ORG ; Distributed by American Public Television ; A ParnassusWorks Film ; produced and directed by Richard Rifkind, Carole Rifkind
a Bernd Eichinger/Bernd Schaefers production ; a Neue Constantin, Cristaldifilm, Films Ariane co-production in association with ZDF ; a Jean-Jacques Annaud film ; a palimpsest of Umberto Eco's novel ; screenplay by Andrew Birkin, Gerard Brach, Howard Franklin, Alain Godard ; produced by Bernd Eichinger ; directed by Jean-Jacques Annaud
a Selznick release ; [presented by] Dore Schary ; an RKO Radio production ; produced and written for the screen by Norman Panama and Melvin Frank ; directed by H.C. Potter
the Pennsylvania State University PCR Films in the Behavioral Sciences ; [presented by] the New York Zoological Society, the Pennsylvania State University, the National Science Foundation ; written by George B. Schaller ; produced by the Pennsylvania State University
a film directed, shot & edited by Jonathan Nossiter ; Les Films de la Croisade & Goatworks Films production of a Dependent Cinema film ; produced by Emmanuel Giraud, Jonathan Nossiter
Dreamworks Pictures and Twentieth Century Fox ; a Cruise/Wagner, Blue Tulip, Ronald Shusett/Greg Goldman production ; directed by Steven Spielberg ; screenplay by Scott Frank and Jon Cohen ; produced by Gerald R. Molen, Bonnie Curtis, Walter F. Parkes, Jan De Bont