Commanded by Mr. Simón and his beautiful teenage daughter Lily, the Fantastic Circus arrives in a small town. A homeless boy joins the troupe after fleeing a theft. As he does not bear the children's happiness, the evil Makario uses his magic so that the show fails, but the clown Cepillín will stand up to him using the children's smile and laugh as a spell.
| Actor | Role |
|---|---|
| RRicardo Gonzalez 'Cepillin'Cepillín | Cepillín |
 Fernando Fernán GómezMakario | Makario |
 Antonio FerrandisDon Simón | Don Simón |
 YuriLily | Lily |
| ÁÁlvaro LoboNiño | Niño |
| MManuel Muñoz AldreteTony | Tony |
 Miguel Ángel FuentesHércules | Hércules |
 SantanónRopacha | Ropacha |