Chief Kofi (Peter Mensah)- current leader of Kwame's tribe.Mabutu (Fana Mokoena)- African game rancher and childhood friend of Kwame's Leela (Yara Shahidi)- Vico's sister, who longs to be a scientist and proves to their parents that women can do any job men can do.
Vico (Karan Brar)- a boy from the island of Moghal, who is subjected to Plunder's and Blight's cloning experiment.Mohan (Prakash Raj)- Indian tiger tracker convinces the villagers to help preserve the tigers' habitat rather than bulldozing it for Greedly's golf course.Commander Clash (Jason Momoa)- former soldier who assists the Planeteers.Nikki West (Amy Adams) - Wife of Tom West and housewife.Officer Tom West (Ben Stiller) - Police officer of Los Angeles Police Department, has two kids, and son of Randy West.Sun Horse (Zahn McClarnon)- chairman of the tribal council.Gray Eagle (Saginaw Grant)- shaman of Sky Runner's reservation.Sky Runner (Aaron White)- Native American rock star and owner of Eco Industries.Stalker Slaughter (Haley Joel Osment)- Eco-Villain Mame's son he and his mother commit wildlife crimes together.Mame Slaughter (Carol Hoyt)- Eco-Villain a wildlife poacher and smuggler.General Baz (Nathaniel Parker)- Zarm's right-hand man, who begins to obey Zarm's orders but ends up doing the right thing on the Earth's behalf.Zarm (Eric Idle)- the spirit of war and destruction.Rigger (Mike White)- Greedly's sidekick.Hoggish Greedly (Devin Ratray)- Eco-Villain.Verminous Skumm (Robert Stanton)- Eco-Villain.Leadsuit (Rick Moranis)- Nukem's sidekick.MAL (voiced by Rowan Atkinson)- Blight's computerized assistant his name stands for "Mean And Low".Argos Bleak (Hugh Jackman)- Plunder's bodyguard.Looten Plunder (Steve Valentine)- Eco-Villain.Captain Planet (Jamie Barber) - Summoned when the five powers combined.Ma-Ti (Rick Gonzalez) - From South America with the power of Heart.Gi (Jamie Chung) - From Asia with the power of Water.Linka (Scarlett Johansson) - From eastern Europe with the power of Wind.Wheeler (Seann William Scott) - From North America with the power of Fire.Kwame (Wesley Jonathan) - From Africa with the power of Earth.Gaia (Roselyn Sanchez)- the spirit of the Earth.Gaia calls in the five Planeteers in Los Angeles, California (Kwame, Wheeler, Linka, Gi, and Ma-Ti) to combine their powers to summon Captain Planet to protect Earth's enviroment.