Main characters • Patricio Gallardo as Enrique "Kike" Calderón, a young man who came to live in building 11-11 where he met a beautiful girl named Sandra, whom he fell in love with, but he discovers a great secret that was hidden in the building. • Alberich Bormann as Enrique Calderón, this character is the adult version of Kike which opts for life when Kike sleeps for the first time in one of the 3 beds that Don Leonardo invented. •
Thali García as Sandra Jiménez, a talented young woman who can sing and Kike falls in love with seeing her for the first time. • Kevin Aponte as Esteban Restrepo, series antagonist; is son of Don Maximiliano Restrepo owner of building 11-11, and one of the lovers of Sandra. • Karla Cervantes as Virginia Ramos •
Reinaldo Zavarce as Juan José "Juanjo" Seminario • Carolina Ayala as Ana Teresa • Ana Belén Lander as Karina Calderón • Virginia Núñez as Anabela • Hernán Canto as Valentino • Daniela de la Fe as Denisse •
Emeraude Toubia as Elizabeth • Andrea Martínez as Ana •
Silvana Arias as Mariana Valle •
Óscar Priego as Joaquín Mendoza
Recurring characters •
Ismael La Rosa as Jaime Calderón •
Henry Zakka as Don Camilo • Ricardo Silva as Don Maximiliano Restrepo • Liliana Rodríguez as Tía Lucrecía • Estefany Oliveira as Sharon Restrepo • Flor Núñez as Doña Consuelo • Jullye Giliberti as Susana Jiménez •
Sandra Destenave as Patricia
Special guest stars •
Prince Royce as himself == Awards and nominations ==