Who is Who? Is a story about twin brothers, one rich and the other poor, who were separated at birth and reunited several years later by fate. However their polar opposite lives are switched. Through this journey they search and discover themselves. Details Casts Galleries Posters Season Lists Title Who is Who? Genres Soap Comedy Drama First Air Date 2015-10-26 Last Air Date 2016-04-08 Episode Runtime 00 Hours 00 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 120 Runtime Production Companies San Telmo Productions Marisa del Portillo... Magdalena... Gabriel Rossi... Rubén... Oka Giner... Yesenia Pérez González... Kenya Hijuelos... Ivonne... María del Pilar Pérez... Daniela Sandoval... Nicolás Maglione... Salvador Hernández "Cach... Danna Paola... Paloma Hernández... Eugenio Siller... Leonardo Fuentemayor... Kimberly Dos Ramos... Fernanda Manrique... Eugenio Siller... Pedro Pérez González 'P... Laura Flores... Inés González... Adrián Di Monte... Eugenio Hernández... Sandra Destenave... Fabiola Carbajal de Fuent... Fernando Carrera... Humberto Fuentemayor... Gabriela Valenzuela... Jonathan García... Rubén Morales... Justino Hernández... Isabel Moreno... Sara López Vda. de Pére... Jonathan Islas... Ignacio Echánove... Silvana Arias... Socorro "la Cocó" Sánch... Alex Ruiz... Terminator "el Termi" Mal... Sofía Reca... Renata Sandoval... Daniela Wong... Constanza "Connie" Echán... Maite Embil... Nora... Armando Torrea... Santiago Blanco... Carlos Espejel... Basilio Rebolledo... Guillermo Quintanilla... Élmer "el Chamoy" Pérez... Original Size (1920x1080) Original Size (780x1147) Original Size (1042x1563) Season 1 120 Episode(s) 2015-10-26