Mercia Angela (Self - Veterinarian, Gorongosa National Park), Bryant Barnett (Narrator), Paola Bouley (Self - Associate Director of Conservation, Gorongosa National Park), Rui Branco (Self - Director of Conservation, Gorongosa National Park), Greg Carr (Self - President, Gorongosa Restoration Project), Dominique Gonçalves (Self - Manager, Elephant Ecology Program, Gorongosa National Park), Jen Guyton (Self - Ecologist & Photographer), Pedro Muagura (Self - Park Warden, Gorongosa National Park), Mateus Mutemba (Self - General Director, National Administration of Conservation Areas), Piotr Naskrecki (Self - Associate Director, E. O. Wilson Biodiversity Laboratory, Gorongosa National Park)