In 1965 Mexico City, Flavia, a wealthy yet lonely schoolgirl, befriends Veronica, a young orphan girl who has a fascination with witchcraft. Veronica convinces Flavia that she is a real witch and forces her to be her assistant. The children's games gradually become more serious and Veronica demands more from Flavia.
| Actor | Role |
|---|---|
 Ana Patricia RojoVeronica | Veronica |
| EElsa Maria GutierrezFlavia | Flavia |
 Leonor LlausásLa Bruja | La Bruja |
| CCarmela SteinNana | Nana |
| MMaria SantanderMiss Aragon | Miss Aragon |
| EErnesto SchwartzTono | Tono |
 Lilia AragónFlavia's Mother (voice) | Flavia's Mother (voice) |
| HHilda Perez CarbajalMadame Rickard (voice) | Madame Rickard (voice) |
| MMarcela PaezGrandmother (voice) | Grandmother (voice) |
| AAraceli de LeonNana (voice) | Nana (voice) |
| PPatricia Acevedo(voice) | (voice) |
 Laura AlmelaClaudia (uncredited) | Claudia (uncredited) |
 Arturo BeristáinFlavia's Father (uncredited) | Flavia's Father (uncredited) |
 Rosa FurmanSeñora Krinsky (uncredited) | Señora Krinsky (uncredited) |
 Rita MacedoJaime's Grandmother (uncredited) | Jaime's Grandmother (uncredited) |
 Luis Mario QuirozDavid (uncredited) | David (uncredited) |
 Anna SilvettiFlavia's Mother (uncredited) | Flavia's Mother (uncredited) |
 Hortensia SantoveñaSor Eulalia (uncredited) | Sor Eulalia (uncredited) |
 Sergio Bustamante(voice) | (voice) |