Natalia Marisa Oreiro Iglesias is a Uruguayan actress, singer, songwriter, model, television presenter and fashion designer. She began her career in telenovelas but since 2008 she has switched to work primarily in films. Oreiro has worked on social awareness shows and events for organizations like Greenpeace and UNICEF, the latter of which designated her as ambassador for Argentina and Uruguay in September 2011.

Flavio Enrique "Kike" Santander Lora is a Colombian-American composer, record producer, arranger and entrepreneur. He is considered to be one of the principal Latino composers of the day, having worked with artists such as David Bisbal, Cristian Castro, Thalía, Chayanne, Natalia Oreiro, Diego Torres, Davi Wornel, Alejandro Fernández, Olga Tañón, Bacilos, José Luis Rodríguez «El Puma» and Gloria Estefan among others. Santander has composed more than 710 songs and has sold over 25 million albums worldwide. His work as songwriter and producer includes themes such as Let's Get Loud by Jennifer Lopez, Abriendo puertas by Gloria Estefan, Me Estoy Enamorando by Alejandro Fernández, Mi Vida Sin Tu Amor by Cristian Castro, and Premonición by David Bisbal, as well as many songs recorded by artists such as Thalía, Natalia Oreiro, Gisselle, Edith Márquez, Luis Miguel, Soledad Pastorutti and the Spanish song for Eurovision Song Contest 2004, amongst others.