The film tells the story of Tainá, a 5 years old orphan Indian girl who dreams of becoming a warrior and discovering her true origin. Along the way, she makes unexpected friends such as Laura, a lost city girl, and Gobi, a nerd Indian boy. They learn to overcome their mutual differences while going through their eventful journey. Taina confronts the ancestral enemy of her family, Jurupari, the incarnation of Evil, who wants to destroy the Forest.
| Actor | Role |
|---|---|
| WWiranu TembéTainá | Tainá |
| BBeatriz NoskoskiLaurinha | Laurinha |
| IIgor OzzyGobi | Gobi |
 Gracindo JúniorTigê | Tigê |
 Nuno Leal MaiaTeodoro | Teodoro |
| MMayara BentesMaya | Maya |
 Guilherme BerenguerVitor | Vitor |
 Laila ZaidLuna | Luna |
| LLeon GóesBu | Bu |
 Fidelis BaniwaCacique | Cacique |
| CCarla Vitória de Olivera SantosTainá (Bebê) | Tainá (Bebê) |
| AAnna Luiza dos Santos BranchesSuindara 1 | Suindara 1 |
| IIsabelli da Conceição VilhenaSuindara 2 | Suindara 2 |
| FFábia Tavares da SilvaSuindara 3 | Suindara 3 |
| TTimotio TayTayAssistente de Cacique | Assistente de Cacique |
| MMárcia AndradeRepórter | Repórter |
| AAnderson Bruno Colares de SouzaCaoré | Caoré |
| IItamar GoulardPolicial | Policial |
| LLucio SiqueiraPolicial | Policial |
| PPascal Daniel VanderhaegenPolicial | Policial |
| RRodrigo Campos CraveiroPolicial | Policial |
| FFábio BernardesPolicial | Policial |
| AAida Sonia AlvesIndiazinha | Indiazinha |
| LLucineia CastroIndiazinha | Indiazinha |
| ÉÉrica E. PedrosoIndiazinha | Indiazinha |
| NNuva Betânia MotaIndiazinha | Indiazinha |
| VVanessa C. BatistaIndiazinha | Indiazinha |