Juana Viale was born in
Buenos Aires on 15 April 1982, the daughter of businesswoman and presenter and Ignacio Viale Del Carril. She is the granddaughter of
Mirtha Legrand and
Daniel Tinayre, and the great-niece of
Silvia Legrand and
José A. Martínez Suárez. She began her acting career in 2003, when
telenovela producer
Marcelo Tinelli convinced her to play a villain in the second phase of ''''. In 2004, Viale acted in the
Telefe series '
, starring Mariano Martínez and Dolores Fonzi. In 2005, she appeared in the telenovela ', broadcast by the Argentine channel
América. She starred in two chapters of
Mujeres asesinas in 2005 and 2008. In cinema, she made her film debut in the film
Radio Corazón together with the leading Chilean actress,
Claudia di Girolamo. She next acted in ''
, and was one of the protagonists of The Widows of Thursdays'' in 2009. In 2010, she obtained her first leading role, Renata Medina, in
Malparida, one of the first Argentine telenovelas in which a protagonist is a villain and murderer. In 2011, she made her theater debut in the play
La celebración, and in cinema she starred in the film ''
. The following year she appeared in two episodes of La dueña'', starring her grandmother,
Mirtha Legrand. In 2013, Viale made a special appearance as a villain in the
El Trece sitcom
Solamente vos, together with
Adrián Suar and
Natalia Oreiro. The following year she returned as a guest villain in
Mis amigos de siempre. In cinema, she costarred with in the movie
Mala. In 2014, she replaced her grandmother on a broadcast of the interview show
Almorzando con Mirtha Legrand, making her debut as a host. She also appeared in the Chilean series '
, and in Argentina, '. In 2015, she acted in the film '
, and in the miniseries ', together with
Gabriel Goity,
Ana Celentano, and . Viale competed in the dance reality show
Bailando por un sueño, where she took fourteenth place after five months of competition. On Netflix, she starred in the series
Estocolmo. In 2018, she starred in
Edha, a Netflix series with
Andrés Velencoso and , among others. In Chile, she starred in the play
La sangre de los árboles, together with the Uruguayan actress Victoria Césperes. In 2020, her grandmother Mirtha Legrand had to stop working on her programs
Almorzando con Mirtha Legrand and '''' because she was a person at risk during the
COVID-19 pandemic. Juana Viale replaced her at the helm of both programs that year and the following. In December 2021, the actress premiered a new series on
Amazon Prime Video, titled ''''. ==Personal life==