Guest Stars Kandido Uranga as Efrén Celia Sastre as Laura Mario Tardón as Carlos Ximena Vera as Lucia Raúl Tejón as Ricardo Laura Ubach as Telma Javier Gallardo as Sito Aida Alonso as Alumna Elena Miranda as Alumna Ivan Hermes as Felix Laura Alfonso as Alumna Jorge Vigil as Alumno Mario Valdés as Alumno Elena Polomo as Alumna Beatriz Moreno as Alumna Isabel Marcos as Nieves Iker Borlado as Alumno Dayra Avila as Alumna Samuel Luther as Mateo Maria Miguel as Rosario Luis Muniz as Alfonso Mary Luz Robles as Mabel Juan Polanco as Horacio Carmen Sandoval as Emilia Nela Garaot as Dani Trinidad Iglesias as Olivia Adam Quintero as Johan