In 2006, Rosenthal began her television career as a member of the successful
Canal 13 Chilean tween musical series,
Amango, playing "Maria Fernanda Mc Gellar" better known as "Feña". The series premiered on 16 June 2007, and ended on September 1, 2007. In
Amango, Rosenthal participated also as one of the members of the telenovela's pop group of the same name. The band successfully released three albums with the music used in the show. The second season of
Amango began filming at the end of 2007. It premiered on 28 March 2008, and ended in June 2008. Rosenthal also filmed
Amango: The Tour in 2008. This documentary featured the cast members of "Amango" as they prepared and promoted the series while on a national tour throughout Chile. Following the success of her participation in
Amango, Canal 13 commissioned a spin-off series called
El Blog de la Feña. Rosenthal reprised her role as "Feña"; the program allowed viewers to vote for the next storyline using text message voting. It was released in June 2008 and received high ratings on Canal 13 in 2 timeslots. In 2009, Rosenthal portrayed Martina Valdivieso Rey in
Corazón Rebelde, the Chilean remake of the popular 2002 Argentine telenovela,
Rebelde Way. Rosenthal also took part in the telenovela's spin-off band, CRZ: Corazón Rebelde. In 2010, she travelled to
Buenos Aires,
Argentina to study acting, dance and voice for six months. She returned to Santiago following the conclusion of her classes. Rosenthal made her film debut in the comedy-drama,
El Limpiapiscinas in July 2011. At the end of 2011, she began filming for two acting projects. The film,
El Babysitter, was released in cinemas in Chile on 24 January 2013. In April 2012, Rosenthal made her theatre debut as Paz in the Chilean Broadway-style musical,
Que Cante La Vida. Performances began on 7 June 2012, at Teatro Municipal de Las Condes in Santiago, Chile. In April 2013, after taking a four-year break from television projects as a protagonist, Rosenthal announced that she had been cast as "Jessica Lorca", a character in the web page of Chilean television network
MEGA's and newest program,
Chico reality. Filming for the television series began in Chile on April 22, 2013. The series is expected to air sometime in 2014. At the end of 2011 and for part of the 2012, Rosenthal also participated in the teen television series,
El Nuevo, for TVN in Chile. Although filmed in 2011, the television series,
El Nuevo aired special preview on July 4, 2013, for TVN in Chile. The program began airing Monday through Friday on 8 July 2013, and finish on 26 July 2013, for TVN in Chile. Two ages after, Rosenthal acting in the telenovela of TVN,
Matriarcas in the role of Sandra Bravo Peñaloza. In January 2016, Rosenthal made her theatre as Princesa Jazz in the Mall Plaza's Chilean musical
Aladino, el musical, based on the Disney's movie Aladdín. ==Music career==