Esmeralda, whom everyone knows as "The Stray Cat," is a girl who grows up in wretched conditions, yet possesses a special sweetness and charm. Her best friend is Pablo, a wealthy boy who defends her against the other children's teasing.

• Maite Perroni
• Daniel Arenas
• Laura Zapata
• Manuel Ojeda
• Jorge Poza
• Mónika Sánchez
• Erika Buenfil
• Claudio Báez