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Tristán as Fortunato Bellavista Malatesta, Tremendo's manager • Tremendo as Themselves • Karina Bolán as Betty, a spoiled teenage girl who is a fan of Tremendo's •
Fernando Siro as Leopoldo Vargas, a ruthless businessman and Betty's grandfather • Mónica Gonzaga as Susana Castellani, a daycare manager whose business is about to get evicted by Vargas, and Fortunato's love interest • Juancito Díaz as Ángel, Fortunato's secretary •
Guido Gorgatti as Pablo, Vargas' butler and chauffeur • Mónica Núñez Cortés • Carlos Rivkin as Dr. Jiménez, Vargas' lawyer • Noelia Noto as Patricia, Betty's friend • Sebastián Miranda as Toto, Betty's cousin and Vargas' grandnephew •
Jesús Berenguer • Julio Pelieri • Manuel Martín ==External links==