Mariana Genesio Peña is an Argentine actress.

Biography Mariana Genesio Peña was born on August 19, 1980, in Córdoba. She is the daughter of a homemaker and a food factory owner, and has three siblings. She began her transition at age 18, choosing the name 'Mariana'.

In 2008, she moved to Buenos Aires, where she ventured into modelling with Roberto Piazza and began an artistic career performing in the theatre. She met screenwriter Nicolás Giacobone the same year, and they were married. She starred in the first advertising campaign by a private company in Argentina aimed at the trans community.

She gained international recognition in 2015 after attending the Academy Awards ceremony alongside Giacobone.

In 2018, she acted in the second season of the Netflix series El marginal playing the character Ginna.

That same year, she was part of the cast of the film Animal, directed by Armando Bó. In 2019, she was one of the lead actresses in the telenovela Pequeña Victoria, playing Emma Uriburu, a trans woman within the storyline. At the end of that year, she and Nicolás Giacobone separated after 11 years together.

In 2021, it was announced that she would star in a series about the life of Cris Miró.

In 2022, during a live interview on the América TV program LAM, she was subjected to a transphobic attack via hate speech by a passerby.

Filmography

Television series YearTitleRole2017-2018El marginalGinna2019:es:Pequeña VictoriaEmma Uriburu2021Pequeñas Victorias2023Vestidas de azulChica trans argentina (cameo)2022-2025El fin del amorOfelia Weitzman YearTitleRole2020Divina comidaAnfitriona / Comensal (3er puesto)2021Showmatch, la academiaParticipante (3.er Abandono) YearTitleRole2020Historias MigrantesAmaralAdentroCamila YearTitleRole2017Dracula is not deadVampire 2018AnimalProstituta2020CopiCopi +YearWorkTheatre2011-2012La casa de Bernarda AlbaCooperativa2013El Apocalipsis según MDir. Nicolás Giacobone2016Street ChildrenThe New Ohio Theatre2017Difficult Transitiondir Kevin Clancy NYC2018ArenaMicroteatro2018Cromosoma XXMicroteatro2022ClimaXMultiescena 2025El suelo que sostiene a HandeTeatro Regio

Footnotes